[build] Add db4_cxx to bitcoin_find_bdb48.m4
[build] Add db4_cxx to bitcoin_find_bdb48.m4

Added "db4_cxx" as this is the name used in NetBSD for the Berkeley DB library.  Without this additional base filename alternative, the "configure" script will fail to find this library and compilation will not succeed.

sstone/bitcoin,alecalve/bitcoin,gjhiggins/vcoincore,mitchellcash/bitcoin,EthanHeilman/bitcoin,achow101/bitcoin,pstratem/bitcoin,vertcoin/vertcoin,Kogser/bitcoin,digibyte/digibyte,jambolo/bitcoin,RHavar/bitcoin,litecoin-project/litecoin,pataquets/namecoin-core,bitcoin/bitcoin,thrasher-/litecoin,achow101/bitcoin,tjps/bitcoin,GroestlCoin/bitcoin,Bushstar/UFO-Project,MeshCollider/bitcoin,instagibbs/bitcoin,MeshCollider/bitcoin,jambolo/bitcoin,Xekyo/bitcoin,pstratem/bitcoin,mm-s/bitcoin,cdecker/bitcoin,viacoin/viacoin,RHavar/bitcoin,instagibbs/bitcoin,globaltoken/globaltoken,cdecker/bitcoin,fujicoin/fujicoin,FeatherCoin/Feathercoin,DigitalPandacoin/pandacoin,rnicoll/dogecoin,deeponion/deeponion,ryanofsky/bitcoin,jamesob/bitcoin,tecnovert/particl-core,vmp32k/litecoin,FeatherCoin/Feathercoin,fanquake/bitcoin,viacoin/viacoin,jonasschnelli/bitcoin,midnightmagic/bitcoin,ElementsProject/elements,jlopp/statoshi,jnewbery/bitcoin,sipsorcery/bitcoin,thrasher-/litecoin,globaltoken/globaltoken,dscotese/bitcoin,wellenreiter01/Feathercoin,dscotese/bitcoin,randy-waterhouse/bitcoin,namecoin/namecore,h4x3rotab/BTCGPU,deeponion/deeponion,myriadteam/myriadcoin,apoelstra/bitcoin,r8921039/bitcoin,joshrabinowitz/bitcoin,afk11/bitcoin,AkioNak/bitcoin,jambolo/bitcoin,MeshCollider/bitcoin,domob1812/bitcoin,bespike/litecoin,andreaskern/bitcoin,jonasschnelli/bitcoin,qtumproject/qtum,practicalswift/bitcoin,domob1812/bitcoin,wellenreiter01/Feathercoin,GlobalBoost/GlobalBoost,JeremyRubin/bitcoin,domob1812/huntercore,Kogser/bitcoin,afk11/bitcoin,qtumproject/qtum,bitcoinsSG/bitcoin,randy-waterhouse/bitcoin,kallewoof/bitcoin,deeponion/deeponion,gjhiggins/vcoincore,ElementsProject/elements,untrustbank/litecoin,particl/particl-core,jtimon/bitcoin,Bushstar/UFO-Project,Flowdalic/bitcoin,instagibbs/bitcoin,namecoin/namecoin-core,donaloconnor/bitcoin,n1bor/bitcoin,anditto/bitcoin,lbryio/lbrycrd,anditto/bitcoin,myriadcoin/myriadcoin,practicalswift/bitcoin,domob1812/namecore,OmniLayer/omnicore,nikkitan/bitcoin,kazcw/bitcoin,donaloconnor/bitcoin,jtimon/bitcoin,kazcw/bitcoin,practicalswift/bitcoin,MazaCoin/maza,qtumproject/qtum,namecoin/namecoin-core,sstone/bitcoin,peercoin/peercoin,GlobalBoost/GlobalBoost,bitcoinknots/bitcoin,pstratem/bitcoin,JeremyRubin/bitcoin,litecoin-project/litecoin,digibyte/digibyte,domob1812/huntercore,andreaskern/bitcoin,practicalswift/bitcoin,wellenreiter01/Feathercoin,qtumproject/qtum,Kogser/bitcoin,instagibbs/bitcoin,achow101/bitcoin,MazaCoin/maza,donaloconnor/bitcoin,GroestlCoin/bitcoin,untrustbank/litecoin,namecoin/namecoin-core,CryptArc/bitcoin,bitcoinknots/bitcoin,Kogser/bitcoin,randy-waterhouse/bitcoin,Flowdalic/bitcoin,ericshawlinux/bitcoin,RHavar/bitcoin,untrustbank/litecoin,r8921039/bitcoin,n1bor/bitcoin,jnewbery/bitcoin,EthanHeilman/bitcoin,GroestlCoin/bitcoin,mitchellcash/bitcoin,midnightmagic/bitcoin,prusnak/bitcoin,Kogser/bitcoin,apoelstra/bitcoin,ahmedbodi/vertcoin,donaloconnor/bitcoin,bitcoinknots/bitcoin,jonasschnelli/bitcoin,kallewoof/bitcoin,andreaskern/bitcoin,r8921039/bitcoin,n1bor/bitcoin,MarcoFalke/bitcoin,wellenreiter01/Feathercoin,joshrabinowitz/bitcoin,RHavar/bitcoin,vertcoin/vertcoin,prusnak/bitcoin,jnewbery/bitcoin,GroestlCoin/GroestlCoin,viacoin/viacoin,Xekyo/bitcoin,namecoin/namecore,ajtowns/bitcoin,Sjors/bitcoin,MarcoFalke/bitcoin,stamhe/bitcoin,mb300sd/bitcoin,Christewart/bitcoin,globaltoken/globaltoken,BTCGPU/BTCGPU,untrustbank/litecoin,GroestlCoin/bitcoin,kallewoof/bitcoin,GroestlCoin/GroestlCoin,cdecker/bitcoin,stamhe/bitcoin,vmp32k/litecoin,1185/starwels,mruddy/bitcoin,h4x3rotab/BTCGPU,bitcoinknots/bitcoin,jambolo/bitcoin,starwels/starwels,n1bor/bitcoin,Sjors/bitcoin,mb300sd/bitcoin,jlopp/statoshi,FeatherCoin/Feathercoin,ericshawlinux/bitcoin,CryptArc/bitcoin,fanquake/bitcoin,tecnovert/particl-core,MeshCollider/bitcoin,ElementsProject/elements,viacoin/viacoin,JeremyRubin/bitcoin,bespike/litecoin,starwels/starwels,fujicoin/fujicoin,GlobalBoost/GlobalBoost,mruddy/bitcoin,rnicoll/dogecoin,Flowdalic/bitcoin,GlobalBoost/GlobalBoost,lateminer/bitcoin,AkioNak/bitcoin,TheBlueMatt/bitcoin,digibyte/digibyte,myriadteam/myriadcoin,afk11/bitcoin,globaltoken/globaltoken,rawodb/bitcoin,rawodb/bitcoin,jamesob/bitcoin,pataquets/namecoin-core,jambolo/bitcoin,1185/starwels,prusnak/bitcoin,nikkitan/bitcoin,sipsorcery/bitcoin,paveljanik/bitcoin,cdecker/bitcoin,mm-s/bitcoin,dscotese/bitcoin,wellenreiter01/Feathercoin,andreaskern/bitcoin,jonasschnelli/bitcoin,r8921039/bitcoin,bitcoin/bitcoin,starwels/starwels,mitchellcash/bitcoin,kallewoof/bitcoin,paveljanik/bitcoin,jambolo/bitcoin,pataquets/namecoin-core,namecoin/namecore,ryanofsky/bitcoin,myriadteam/myriadcoin,vertcoin/vertcoin,litecoin-project/litecoin,ajtowns/bitcoin,MazaCoin/maza,nikkitan/bitcoin,particl/particl-core,tecnovert/particl-core,guncoin/guncoin,mb300sd/bitcoin,BTCGPU/BTCGPU,afk11/bitcoin,rnicoll/bitcoin,practicalswift/bitcoin,myriadteam/myriadcoin,h4x3rotab/BTCGPU,yenliangl/bitcoin,jlopp/statoshi,sebrandon1/bitcoin,domob1812/huntercore,dscotese/bitcoin,h4x3rotab/BTCGPU,nikkitan/bitcoin,DigitalPandacoin/pandacoin,gjhiggins/vcoincore,namecoin/namecore,vertcoin/vertcoin,Sjors/bitcoin,domob1812/namecore,n1bor/bitcoin,pataquets/namecoin-core,qtumproject/qtum,gjhiggins/vcoincore,jmcorgan/bitcoin,GroestlCoin/bitcoin,mitchellcash/bitcoin,mm-s/bitcoin,Kogser/bitcoin,Bushstar/UFO-Project,tjps/bitcoin,bitcoin/bitcoin,lbryio/lbrycrd,tecnovert/particl-core,alecalve/bitcoin,CryptArc/bitcoin,vertcoin/vertcoin,BTCGPU/BTCGPU,jmcorgan/bitcoin,sebrandon1/bitcoin,h4x3rotab/BTCGPU,Kogser/bitcoin,ElementsProject/elements,CryptArc/bitcoin,ahmedbodi/vertcoin,Xekyo/bitcoin,rnicoll/bitcoin,myriadcoin/myriadcoin,jlopp/statoshi,ahmedbodi/vertcoin,midnightmagic/bitcoin,prusnak/bitcoin,MeshCollider/bitcoin,Kogser/bitcoin,prusnak/bitcoin,apoelstra/bitcoin,Bushstar/UFO-Project,randy-waterhouse/bitcoin,apoelstra/bitcoin,sebrandon1/bitcoin,randy-waterhouse/bitcoin,vmp32k/litecoin,jnewbery/bitcoin,JeremyRubin/bitcoin,domob1812/namecore,vertcoin/vertcoin,TheBlueMatt/bitcoin,MazaCoin/maza,myriadcoin/myriadcoin,kazcw/bitcoin,untrustbank/litecoin,JeremyRubin/bitcoin,jonasschnelli/bitcoin,joshrabinowitz/bitcoin,bitcoin/bitcoin,droark/bitcoin,EthanHeilman/bitcoin,digibyte/digibyte,rnicoll/bitcoin,yenliangl/bitcoin,bitcoin/bitcoin,vmp32k/litecoin,jmcorgan/bitcoin,fujicoin/fujicoin,tjps/bitcoin,afk11/bitcoin,ajtowns/bitcoin,joshrabinowitz/bitcoin,Flowdalic/bitcoin,domob1812/bitcoin,bespike/litecoin,lateminer/bitcoin,monacoinproject/monacoin,ericshawlinux/bitcoin,bitcoin/bitcoin,lateminer/bitcoin,qtumproject/qtum,litecoin-project/litecoin,FeatherCoin/Feathercoin,guncoin/guncoin,Bushstar/UFO-Project,vmp32k/litecoin,mb300sd/bitcoin,globaltoken/globaltoken,r8921039/bitcoin,Christewart/bitcoin,ryanofsky/bitcoin,deeponion/deeponion,thrasher-/litecoin,mruddy/bitcoin,dscotese/bitcoin,sipsorcery/bitcoin,lateminer/bitcoin,GroestlCoin/GroestlCoin,paveljanik/bitcoin,qtumproject/qtum,apoelstra/bitcoin,lateminer/bitcoin,prusnak/bitcoin,RHavar/bitcoin,GlobalBoost/GlobalBoost,kazcw/bitcoin,DigitalPandacoin/pandacoin,n1bor/bitcoin,yenliangl/bitcoin,OmniLayer/omnicore,BTCGPU/BTCGPU,instagibbs/bitcoin,cdecker/bitcoin,MarcoFalke/bitcoin,bitcoinsSG/bitcoin,mm-s/bitcoin,starwels/starwels,RHavar/bitcoin,sebrandon1/bitcoin,domob1812/huntercore,ajtowns/bitcoin,myriadteam/myriadcoin,rnicoll/bitcoin,GroestlCoin/bitcoin,rnicoll/dogecoin,tecnovert/particl-core,kazcw/bitcoin,mruddy/bitcoin,ericshawlinux/bitcoin,domob1812/namecore,1185/starwels,peercoin/peercoin,namecoin/namecore,mm-s/bitcoin,fujicoin/fujicoin,achow101/bitcoin,lateminer/bitcoin,wellenreiter01/Feathercoin,GroestlCoin/GroestlCoin,peercoin/peercoin,yenliangl/bitcoin,viacoin/viacoin,gjhiggins/vcoincore,tjps/bitcoin,TheBlueMatt/bitcoin,TheBlueMatt/bitcoin,paveljanik/bitcoin,deeponion/deeponion,bespike/litecoin,ahmedbodi/vertcoin,jamesob/bitcoin,andreaskern/bitcoin,DigitalPandacoin/pandacoin,domob1812/bitcoin,Xekyo/bitcoin,namecoin/namecoin-core,yenliangl/bitcoin,GroestlCoin/GroestlCoin,bitcoinsSG/bitcoin,donaloconnor/bitcoin,lbryio/lbrycrd,sebrandon1/bitcoin,mruddy/bitcoin,DigitalPandacoin/pandacoin,droark/bitcoin,rawodb/bitcoin,lbryio/lbrycrd,jmcorgan/bitcoin,DigitalPandacoin/pandacoin,mm-s/bitcoin,mb300sd/bitcoin,1185/starwels,anditto/bitcoin,EthanHeilman/bitcoin,Bushstar/UFO-Project,jtimon/bitcoin,peercoin/peercoin,stamhe/bitcoin,bitcoinsSG/bitcoin,jnewbery/bitcoin,tecnovert/particl-core,pstratem/bitcoin,bespike/litecoin,rnicoll/bitcoin,domob1812/bitcoin,OmniLayer/omnicore,ahmedbodi/vertcoin,droark/bitcoin,Kogser/bitcoin,jamesob/bitcoin,TheBlueMatt/bitcoin,midnightmagic/bitcoin,sstone/bitcoin,alecalve/bitcoin,domob1812/bitcoin,viacoin/viacoin,MazaCoin/maza,Christewart/bitcoin,AkioNak/bitcoin,myriadcoin/myriadcoin,domob1812/huntercore,jmcorgan/bitcoin,monacoinproject/monacoin,litecoin-project/litecoin,Kogser/bitcoin,bitcoinknots/bitcoin,mb300sd/bitcoin,Xekyo/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,joshrabinowitz/bitcoin,OmniLayer/omnicore,mruddy/bitcoin,sstone/bitcoin,Sjors/bitcoin,fujicoin/fujicoin,MarcoFalke/bitcoin,jamesob/bitcoin,globaltoken/globaltoken,ryanofsky/bitcoin,stamhe/bitcoin,ppcoin/ppcoin,CryptArc/bitcoin,nikkitan/bitcoin,rawodb/bitcoin,MazaCoin/maza,namecoin/namecoin-core,Christewart/bitcoin,sipsorcery/bitcoin,sipsorcery/bitcoin,guncoin/guncoin,domob1812/namecore,cdecker/bitcoin,sstone/bitcoin,jtimon/bitcoin,ryanofsky/bitcoin,midnightmagic/bitcoin,kallewoof/bitcoin,FeatherCoin/Feathercoin,anditto/bitcoin,monacoinproject/monacoin,rawodb/bitcoin,AkioNak/bitcoin,vmp32k/litecoin,BTCGPU/BTCGPU,ericshawlinux/bitcoin,Xekyo/bitcoin,randy-waterhouse/bitcoin,peercoin/peercoin,ppcoin/ppcoin,kazcw/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,tjps/bitcoin,ajtowns/bitcoin,AkioNak/bitcoin,MarcoFalke/bitcoin,ppcoin/ppcoin,ppcoin/ppcoin,pataquets/namecoin-core,digibyte/digibyte,domob1812/huntercore,starwels/starwels,thrasher-/litecoin,jmcorgan/bitcoin,pstratem/bitcoin,bespike/litecoin,BTCGPU/BTCGPU,nikkitan/bitcoin,domob1812/namecore,instagibbs/bitcoin,anditto/bitcoin,rnicoll/dogecoin,achow101/bitcoin,gjhiggins/vcoincore,jtimon/bitcoin,sebrandon1/bitcoin,fanquake/bitcoin,guncoin/guncoin,EthanHeilman/bitcoin,peercoin/peercoin,untrustbank/litecoin,guncoin/guncoin,ericshawlinux/bitcoin,apoelstra/bitcoin,donaloconnor/bitcoin,Flowdalic/bitcoin,alecalve/bitcoin,h4x3rotab/BTCGPU,midnightmagic/bitcoin,MeshCollider/bitcoin,Christewart/bitcoin,kallewoof/bitcoin,FeatherCoin/Feathercoin,sstone/bitcoin,tjps/bitcoin,ahmedbodi/vertcoin,monacoinproject/monacoin,MarcoFalke/bitcoin,sipsorcery/bitcoin,dscotese/bitcoin,CryptArc/bitcoin,guncoin/guncoin,jtimon/bitcoin,stamhe/bitcoin,afk11/bitcoin,mitchellcash/bitcoin,Sjors/bitcoin,droark/bitcoin,GlobalBoost/GlobalBoost,jlopp/statoshi,1185/starwels,myriadcoin/myriadcoin,GroestlCoin/GroestlCoin,GlobalBoost/GlobalBoost,thrasher-/litecoin,thrasher-/litecoin,myriadcoin/myriadcoin,Kogser/bitcoin,lbryio/lbrycrd,rnicoll/bitcoin,fujicoin/fujicoin,JeremyRubin/bitcoin,AkioNak/bitcoin,particl/particl-core,ryanofsky/bitcoin,anditto/bitcoin,TheBlueMatt/bitcoin,ElementsProject/elements,ElementsProject/elements,r8921039/bitcoin,yenliangl/bitcoin,monacoinproject/monacoin,paveljanik/bitcoin,stamhe/bitcoin,pataquets/namecoin-core,Kogser/bitcoin,lbryio/lbrycrd,paveljanik/bitcoin,ajtowns/bitcoin,litecoin-project/litecoin,andreaskern/bitcoin,deeponion/deeponion,lbryio/lbrycrd,monacoinproject/monacoin,particl/particl-core,OmniLayer/omnicore,particl/particl-core,droark/bitcoin,particl/particl-core,jamesob/bitcoin,rnicoll/dogecoin,achow101/bitcoin,practicalswift/bitcoin,1185/starwels,pstratem/bitcoin,myriadteam/myriadcoin,starwels/starwels,Flowdalic/bitcoin,EthanHeilman/bitcoin,Christewart/bitcoin,fanquake/bitcoin,digibyte/digibyte,namecoin/namecoin-core,rawodb/bitcoin,OmniLayer/omnicore,alecalve/bitcoin,namecoin/namecore,joshrabinowitz/bitcoin,jlopp/statoshi,droark/bitcoin,alecalve/bitcoin,mitchellcash/bitcoin