Trivial: update clang thread-safety docs url
Trivial: update clang thread-safety docs url

domob1812/namecore,sstone/bitcoin,monacoinproject/monacoin,ajtowns/bitcoin,midnightmagic/bitcoin,rnicoll/bitcoin,peercoin/peercoin,bitcoinknots/bitcoin,domob1812/bitcoin,fanquake/bitcoin,jnewbery/bitcoin,MarcoFalke/bitcoin,kallewoof/bitcoin,r8921039/bitcoin,myriadteam/myriadcoin,jambolo/bitcoin,mitchellcash/bitcoin,EthanHeilman/bitcoin,practicalswift/bitcoin,ericshawlinux/bitcoin,FeatherCoin/Feathercoin,FeatherCoin/Feathercoin,qtumproject/qtum,alecalve/bitcoin,kazcw/bitcoin,GlobalBoost/GlobalBoost,JeremyRubin/bitcoin,EthanHeilman/bitcoin,rnicoll/bitcoin,bespike/litecoin,namecoin/namecore,cdecker/bitcoin,RHavar/bitcoin,EthanHeilman/bitcoin,namecoin/namecore,mitchellcash/bitcoin,Sjors/bitcoin,ajtowns/bitcoin,vertcoin/vertcoin,midnightmagic/bitcoin,mruddy/bitcoin,myriadcoin/myriadcoin,jambolo/bitcoin,Kogser/bitcoin,apoelstra/bitcoin,achow101/bitcoin,bitcoin/bitcoin,ElementsProject/elements,fujicoin/fujicoin,rnicoll/bitcoin,domob1812/bitcoin,dscotese/bitcoin,fujicoin/fujicoin,OmniLayer/omnicore,ahmedbodi/vertcoin,FeatherCoin/Feathercoin,Flowdalic/bitcoin,ajtowns/bitcoin,OmniLayer/omnicore,RHavar/bitcoin,particl/particl-core,namecoin/namecoin-core,MeshCollider/bitcoin,jlopp/statoshi,n1bor/bitcoin,apoelstra/bitcoin,kazcw/bitcoin,dscotese/bitcoin,n1bor/bitcoin,wellenreiter01/Feathercoin,n1bor/bitcoin,bespike/litecoin,instagibbs/bitcoin,wellenreiter01/Feathercoin,JeremyRubin/bitcoin,Sjors/bitcoin,n1bor/bitcoin,jonasschnelli/bitcoin,sipsorcery/bitcoin,ElementsProject/elements,myriadteam/myriadcoin,jtimon/bitcoin,GlobalBoost/GlobalBoost,jamesob/bitcoin,vertcoin/vertcoin,ajtowns/bitcoin,AkioNak/bitcoin,gjhiggins/vcoincore,EthanHeilman/bitcoin,Sjors/bitcoin,Christewart/bitcoin,particl/particl-core,mm-s/bitcoin,afk11/bitcoin,ericshawlinux/bitcoin,r8921039/bitcoin,JeremyRubin/bitcoin,pstratem/bitcoin,MeshCollider/bitcoin,MarcoFalke/bitcoin,Kogser/bitcoin,sstone/bitcoin,fanquake/bitcoin,myriadcoin/myriadcoin,bitcoinsSG/bitcoin,jtimon/bitcoin,ahmedbodi/vertcoin,nikkitan/bitcoin,AkioNak/bitcoin,fanquake/bitcoin,jamesob/bitcoin,anditto/bitcoin,yenliangl/bitcoin,Kogser/bitcoin,kazcw/bitcoin,myriadteam/myriadcoin,peercoin/peercoin,EthanHeilman/bitcoin,mitchellcash/bitcoin,kazcw/bitcoin,bespike/litecoin,instagibbs/bitcoin,wellenreiter01/Feathercoin,fanquake/bitcoin,pstratem/bitcoin,domob1812/namecore,monacoinproject/monacoin,apoelstra/bitcoin,GroestlCoin/GroestlCoin,myriadteam/myriadcoin,bespike/litecoin,prusnak/bitcoin,MeshCollider/bitcoin,rnicoll/dogecoin,ElementsProject/elements,OmniLayer/omnicore,DigitalPandacoin/pandacoin,Kogser/bitcoin,OmniLayer/omnicore,mruddy/bitcoin,cdecker/bitcoin,r8921039/bitcoin,untrustbank/litecoin,alecalve/bitcoin,jlopp/statoshi,mm-s/bitcoin,MeshCollider/bitcoin,sstone/bitcoin,pstratem/bitcoin,FeatherCoin/Feathercoin,GroestlCoin/bitcoin,MarcoFalke/bitcoin,r8921039/bitcoin,alecalve/bitcoin,n1bor/bitcoin,GlobalBoost/GlobalBoost,dscotese/bitcoin,anditto/bitcoin,vertcoin/vertcoin,jamesob/bitcoin,yenliangl/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,kallewoof/bitcoin,qtumproject/qtum,jonasschnelli/bitcoin,qtumproject/qtum,Kogser/bitcoin,particl/particl-core,r8921039/bitcoin,Flowdalic/bitcoin,afk11/bitcoin,practicalswift/bitcoin,fanquake/bitcoin,achow101/bitcoin,jambolo/bitcoin,Xekyo/bitcoin,domob1812/namecore,namecoin/namecore,FeatherCoin/Feathercoin,andreaskern/bitcoin,instagibbs/bitcoin,Xekyo/bitcoin,ahmedbodi/vertcoin,Xekyo/bitcoin,namecoin/namecoin-core,ericshawlinux/bitcoin,domob1812/namecore,Kogser/bitcoin,apoelstra/bitcoin,mitchellcash/bitcoin,jonasschnelli/bitcoin,droark/bitcoin,wellenreiter01/Feathercoin,RHavar/bitcoin,Sjors/bitcoin,gjhiggins/vcoincore,mm-s/bitcoin,tjps/bitcoin,DigitalPandacoin/pandacoin,peercoin/peercoin,dscotese/bitcoin,CryptArc/bitcoin,GroestlCoin/bitcoin,namecoin/namecore,monacoinproject/monacoin,bitcoin/bitcoin,droark/bitcoin,lateminer/bitcoin,CryptArc/bitcoin,myriadcoin/myriadcoin,tjps/bitcoin,prusnak/bitcoin,particl/particl-core,litecoin-project/litecoin,vertcoin/vertcoin,sstone/bitcoin,anditto/bitcoin,rnicoll/bitcoin,sipsorcery/bitcoin,lateminer/bitcoin,ericshawlinux/bitcoin,jnewbery/bitcoin,MarcoFalke/bitcoin,rnicoll/dogecoin,lateminer/bitcoin,GroestlCoin/bitcoin,jtimon/bitcoin,tecnovert/particl-core,jonasschnelli/bitcoin,dscotese/bitcoin,ElementsProject/elements,MarcoFalke/bitcoin,tjps/bitcoin,yenliangl/bitcoin,EthanHeilman/bitcoin,domob1812/bitcoin,andreaskern/bitcoin,qtumproject/qtum,bitcoinsSG/bitcoin,AkioNak/bitcoin,tecnovert/particl-core,AkioNak/bitcoin,practicalswift/bitcoin,apoelstra/bitcoin,CryptArc/bitcoin,bitcoinsSG/bitcoin,untrustbank/litecoin,instagibbs/bitcoin,jlopp/statoshi,midnightmagic/bitcoin,cdecker/bitcoin,qtumproject/qtum,alecalve/bitcoin,pstratem/bitcoin,GlobalBoost/GlobalBoost,ajtowns/bitcoin,bitcoin/bitcoin,peercoin/peercoin,midnightmagic/bitcoin,untrustbank/litecoin,nikkitan/bitcoin,litecoin-project/litecoin,jonasschnelli/bitcoin,particl/particl-core,vertcoin/vertcoin,Kogser/bitcoin,ahmedbodi/vertcoin,alecalve/bitcoin,jlopp/statoshi,pataquets/namecoin-core,pstratem/bitcoin,nikkitan/bitcoin,GlobalBoost/GlobalBoost,kallewoof/bitcoin,bitcoinsSG/bitcoin,tjps/bitcoin,bitcoin/bitcoin,jtimon/bitcoin,afk11/bitcoin,mm-s/bitcoin,lateminer/bitcoin,domob1812/bitcoin,lateminer/bitcoin,CryptArc/bitcoin,namecoin/namecoin-core,jamesob/bitcoin,instagibbs/bitcoin,droark/bitcoin,CryptArc/bitcoin,midnightmagic/bitcoin,untrustbank/litecoin,Kogser/bitcoin,gjhiggins/vcoincore,practicalswift/bitcoin,GlobalBoost/GlobalBoost,ahmedbodi/vertcoin,jambolo/bitcoin,Xekyo/bitcoin,rnicoll/dogecoin,alecalve/bitcoin,bitcoinknots/bitcoin,jnewbery/bitcoin,n1bor/bitcoin,jambolo/bitcoin,tecnovert/particl-core,AkioNak/bitcoin,cdecker/bitcoin,Kogser/bitcoin,bespike/litecoin,achow101/bitcoin,achow101/bitcoin,mruddy/bitcoin,practicalswift/bitcoin,achow101/bitcoin,GroestlCoin/bitcoin,andreaskern/bitcoin,gjhiggins/vcoincore,JeremyRubin/bitcoin,GlobalBoost/GlobalBoost,sstone/bitcoin,RHavar/bitcoin,untrustbank/litecoin,Flowdalic/bitcoin,domob1812/bitcoin,andreaskern/bitcoin,peercoin/peercoin,MarcoFalke/bitcoin,Xekyo/bitcoin,kallewoof/bitcoin,instagibbs/bitcoin,JeremyRubin/bitcoin,achow101/bitcoin,prusnak/bitcoin,bitcoinknots/bitcoin,Sjors/bitcoin,GroestlCoin/bitcoin,litecoin-project/litecoin,anditto/bitcoin,DigitalPandacoin/pandacoin,domob1812/bitcoin,afk11/bitcoin,ElementsProject/elements,fujicoin/fujicoin,myriadcoin/myriadcoin,domob1812/namecore,rnicoll/bitcoin,DigitalPandacoin/pandacoin,yenliangl/bitcoin,Flowdalic/bitcoin,kazcw/bitcoin,Flowdalic/bitcoin,jamesob/bitcoin,Christewart/bitcoin,pstratem/bitcoin,gjhiggins/vcoincore,yenliangl/bitcoin,jtimon/bitcoin,Xekyo/bitcoin,monacoinproject/monacoin,sipsorcery/bitcoin,cdecker/bitcoin,bitcoin/bitcoin,mm-s/bitcoin,mruddy/bitcoin,wellenreiter01/Feathercoin,JeremyRubin/bitcoin,droark/bitcoin,namecoin/namecoin-core,nikkitan/bitcoin,ajtowns/bitcoin,yenliangl/bitcoin,jnewbery/bitcoin,qtumproject/qtum,RHavar/bitcoin,sipsorcery/bitcoin,r8921039/bitcoin,afk11/bitcoin,jamesob/bitcoin,namecoin/namecoin-core,rnicoll/bitcoin,afk11/bitcoin,myriadteam/myriadcoin,fujicoin/fujicoin,prusnak/bitcoin,peercoin/peercoin,fanquake/bitcoin,pataquets/namecoin-core,RHavar/bitcoin,particl/particl-core,Christewart/bitcoin,domob1812/namecore,bitcoinsSG/bitcoin,untrustbank/litecoin,tecnovert/particl-core,andreaskern/bitcoin,namecoin/namecore,sipsorcery/bitcoin,nikkitan/bitcoin,droark/bitcoin,bitcoin/bitcoin,ericshawlinux/bitcoin,MeshCollider/bitcoin,vertcoin/vertcoin,AkioNak/bitcoin,wellenreiter01/Feathercoin,OmniLayer/omnicore,fujicoin/fujicoin,bespike/litecoin,bitcoinsSG/bitcoin,prusnak/bitcoin,Christewart/bitcoin,jambolo/bitcoin,mruddy/bitcoin,CryptArc/bitcoin,monacoinproject/monacoin,OmniLayer/omnicore,andreaskern/bitcoin,lateminer/bitcoin,prusnak/bitcoin,kazcw/bitcoin,sstone/bitcoin,rnicoll/dogecoin,qtumproject/qtum,ericshawlinux/bitcoin,droark/bitcoin,Christewart/bitcoin,Kogser/bitcoin,anditto/bitcoin,tecnovert/particl-core,GroestlCoin/GroestlCoin,gjhiggins/vcoincore,nikkitan/bitcoin,GroestlCoin/GroestlCoin,Flowdalic/bitcoin,namecoin/namecore,FeatherCoin/Feathercoin,Kogser/bitcoin,fujicoin/fujicoin,cdecker/bitcoin,mitchellcash/bitcoin,mitchellcash/bitcoin,pataquets/namecoin-core,GroestlCoin/GroestlCoin,GroestlCoin/GroestlCoin,DigitalPandacoin/pandacoin,myriadteam/myriadcoin,kallewoof/bitcoin,jlopp/statoshi,DigitalPandacoin/pandacoin,sipsorcery/bitcoin,bitcoinknots/bitcoin,mm-s/bitcoin,litecoin-project/litecoin,Christewart/bitcoin,Kogser/bitcoin,apoelstra/bitcoin,anditto/bitcoin,bitcoinknots/bitcoin,MeshCollider/bitcoin,rnicoll/dogecoin,mruddy/bitcoin,dscotese/bitcoin,GroestlCoin/bitcoin,monacoinproject/monacoin,litecoin-project/litecoin,pataquets/namecoin-core,practicalswift/bitcoin,myriadcoin/myriadcoin,ElementsProject/elements,tjps/bitcoin,tecnovert/particl-core,jnewbery/bitcoin,jlopp/statoshi,tjps/bitcoin,pataquets/namecoin-core,namecoin/namecoin-core,myriadcoin/myriadcoin,ahmedbodi/vertcoin,midnightmagic/bitcoin,litecoin-project/litecoin,pataquets/namecoin-core,jtimon/bitcoin