Do not clear validationinterface entries being executed
Do not clear validationinterface entries being executed

The previous code for MainSignalsInstance::Clear would decrement the reference
count of every interface, including ones that were already Unregister()ed but
still being executed.

GroestlCoin/GroestlCoin,jlopp/statoshi,ajtowns/bitcoin,achow101/bitcoin,JeremyRubin/bitcoin,rnicoll/bitcoin,instagibbs/bitcoin,apoelstra/bitcoin,jlopp/statoshi,alecalve/bitcoin,midnightmagic/bitcoin,vertcoin/vertcoin,Sjors/bitcoin,rnicoll/dogecoin,ahmedbodi/vertcoin,MeshCollider/bitcoin,dscotese/bitcoin,litecoin-project/litecoin,cdecker/bitcoin,MarcoFalke/bitcoin,tecnovert/particl-core,rnicoll/dogecoin,kallewoof/bitcoin,prusnak/bitcoin,mm-s/bitcoin,n1bor/bitcoin,jnewbery/bitcoin,mm-s/bitcoin,dscotese/bitcoin,instagibbs/bitcoin,lateminer/bitcoin,mm-s/bitcoin,bitcoinknots/bitcoin,lateminer/bitcoin,fanquake/bitcoin,instagibbs/bitcoin,jamesob/bitcoin,litecoin-project/litecoin,bitcoinknots/bitcoin,jambolo/bitcoin,bitcoinsSG/bitcoin,dscotese/bitcoin,prusnak/bitcoin,namecoin/namecoin-core,pataquets/namecoin-core,rnicoll/bitcoin,bitcoin/bitcoin,yenliangl/bitcoin,GroestlCoin/GroestlCoin,tecnovert/particl-core,namecoin/namecore,practicalswift/bitcoin,jambolo/bitcoin,Xekyo/bitcoin,Sjors/bitcoin,namecoin/namecoin-core,prusnak/bitcoin,yenliangl/bitcoin,midnightmagic/bitcoin,fujicoin/fujicoin,namecoin/namecore,ElementsProject/elements,ElementsProject/elements,rnicoll/bitcoin,particl/particl-core,sipsorcery/bitcoin,tecnovert/particl-core,dscotese/bitcoin,vertcoin/vertcoin,jamesob/bitcoin,dscotese/bitcoin,kallewoof/bitcoin,andreaskern/bitcoin,domob1812/bitcoin,MeshCollider/bitcoin,jonasschnelli/bitcoin,MarcoFalke/bitcoin,mm-s/bitcoin,bitcoinsSG/bitcoin,bitcoinsSG/bitcoin,sstone/bitcoin,sipsorcery/bitcoin,EthanHeilman/bitcoin,namecoin/namecore,fujicoin/fujicoin,JeremyRubin/bitcoin,ahmedbodi/vertcoin,cdecker/bitcoin,peercoin/peercoin,vertcoin/vertcoin,JeremyRubin/bitcoin,namecoin/namecore,domob1812/namecore,jnewbery/bitcoin,sstone/bitcoin,EthanHeilman/bitcoin,AkioNak/bitcoin,jambolo/bitcoin,practicalswift/bitcoin,vertcoin/vertcoin,jnewbery/bitcoin,GroestlCoin/bitcoin,bitcoinknots/bitcoin,prusnak/bitcoin,ElementsProject/elements,monacoinproject/monacoin,ajtowns/bitcoin,AkioNak/bitcoin,dscotese/bitcoin,sstone/bitcoin,GroestlCoin/bitcoin,apoelstra/bitcoin,MeshCollider/bitcoin,ElementsProject/elements,jonasschnelli/bitcoin,monacoinproject/monacoin,rnicoll/bitcoin,DigitalPandacoin/pandacoin,yenliangl/bitcoin,rnicoll/dogecoin,Xekyo/bitcoin,fujicoin/fujicoin,Xekyo/bitcoin,apoelstra/bitcoin,pataquets/namecoin-core,jlopp/statoshi,anditto/bitcoin,fanquake/bitcoin,domob1812/bitcoin,EthanHeilman/bitcoin,pstratem/bitcoin,mruddy/bitcoin,jlopp/statoshi,namecoin/namecoin-core,pataquets/namecoin-core,yenliangl/bitcoin,Sjors/bitcoin,pataquets/namecoin-core,qtumproject/qtum,fanquake/bitcoin,domob1812/bitcoin,pataquets/namecoin-core,qtumproject/qtum,domob1812/namecore,n1bor/bitcoin,DigitalPandacoin/pandacoin,JeremyRubin/bitcoin,jlopp/statoshi,MeshCollider/bitcoin,DigitalPandacoin/pandacoin,GroestlCoin/bitcoin,anditto/bitcoin,mm-s/bitcoin,monacoinproject/monacoin,domob1812/namecore,ahmedbodi/vertcoin,rnicoll/dogecoin,achow101/bitcoin,domob1812/namecore,GroestlCoin/GroestlCoin,domob1812/namecore,jamesob/bitcoin,anditto/bitcoin,particl/particl-core,bitcoin/bitcoin,andreaskern/bitcoin,qtumproject/qtum,practicalswift/bitcoin,midnightmagic/bitcoin,pstratem/bitcoin,bitcoinknots/bitcoin,DigitalPandacoin/pandacoin,mruddy/bitcoin,andreaskern/bitcoin,GroestlCoin/GroestlCoin,instagibbs/bitcoin,monacoinproject/monacoin,ajtowns/bitcoin,monacoinproject/monacoin,domob1812/bitcoin,Xekyo/bitcoin,peercoin/peercoin,particl/particl-core,bitcoin/bitcoin,lateminer/bitcoin,achow101/bitcoin,prusnak/bitcoin,qtumproject/qtum,n1bor/bitcoin,ajtowns/bitcoin,namecoin/namecoin-core,ElementsProject/elements,MarcoFalke/bitcoin,lateminer/bitcoin,particl/particl-core,kallewoof/bitcoin,mruddy/bitcoin,AkioNak/bitcoin,alecalve/bitcoin,alecalve/bitcoin,fujicoin/fujicoin,ahmedbodi/vertcoin,tecnovert/particl-core,cdecker/bitcoin,alecalve/bitcoin,litecoin-project/litecoin,JeremyRubin/bitcoin,achow101/bitcoin,yenliangl/bitcoin,fanquake/bitcoin,sipsorcery/bitcoin,pataquets/namecoin-core,jambolo/bitcoin,DigitalPandacoin/pandacoin,Xekyo/bitcoin,fujicoin/fujicoin,jamesob/bitcoin,EthanHeilman/bitcoin,namecoin/namecore,kallewoof/bitcoin,andreaskern/bitcoin,pstratem/bitcoin,andreaskern/bitcoin,lateminer/bitcoin,kallewoof/bitcoin,fanquake/bitcoin,pstratem/bitcoin,apoelstra/bitcoin,litecoin-project/litecoin,midnightmagic/bitcoin,MarcoFalke/bitcoin,ahmedbodi/vertcoin,MarcoFalke/bitcoin,jonasschnelli/bitcoin,anditto/bitcoin,achow101/bitcoin,lateminer/bitcoin,monacoinproject/monacoin,bitcoinsSG/bitcoin,tecnovert/particl-core,DigitalPandacoin/pandacoin,andreaskern/bitcoin,jamesob/bitcoin,apoelstra/bitcoin,n1bor/bitcoin,midnightmagic/bitcoin,anditto/bitcoin,peercoin/peercoin,apoelstra/bitcoin,practicalswift/bitcoin,cdecker/bitcoin,litecoin-project/litecoin,instagibbs/bitcoin,cdecker/bitcoin,MeshCollider/bitcoin,jonasschnelli/bitcoin,peercoin/peercoin,ajtowns/bitcoin,AkioNak/bitcoin,sstone/bitcoin,pstratem/bitcoin,qtumproject/qtum,bitcoin/bitcoin,ahmedbodi/vertcoin,domob1812/bitcoin,mruddy/bitcoin,mruddy/bitcoin,qtumproject/qtum,bitcoinsSG/bitcoin,rnicoll/bitcoin,AkioNak/bitcoin,GroestlCoin/GroestlCoin,EthanHeilman/bitcoin,fujicoin/fujicoin,pstratem/bitcoin,vertcoin/vertcoin,MeshCollider/bitcoin,rnicoll/dogecoin,bitcoinknots/bitcoin,Sjors/bitcoin,litecoin-project/litecoin,anditto/bitcoin,particl/particl-core,jlopp/statoshi,namecoin/namecoin-core,qtumproject/qtum,GroestlCoin/bitcoin,jnewbery/bitcoin,GroestlCoin/GroestlCoin,sipsorcery/bitcoin,alecalve/bitcoin,practicalswift/bitcoin,JeremyRubin/bitcoin,GroestlCoin/bitcoin,achow101/bitcoin,vertcoin/vertcoin,jambolo/bitcoin,jamesob/bitcoin,GroestlCoin/bitcoin,tecnovert/particl-core,peercoin/peercoin,Xekyo/bitcoin,AkioNak/bitcoin,fanquake/bitcoin,rnicoll/bitcoin,instagibbs/bitcoin,domob1812/bitcoin,n1bor/bitcoin,cdecker/bitcoin,sipsorcery/bitcoin,jambolo/bitcoin,peercoin/peercoin,ajtowns/bitcoin,yenliangl/bitcoin,bitcoinsSG/bitcoin,prusnak/bitcoin,sipsorcery/bitcoin,mm-s/bitcoin,mruddy/bitcoin,bitcoin/bitcoin,domob1812/namecore,namecoin/namecore,midnightmagic/bitcoin,ElementsProject/elements,n1bor/bitcoin,practicalswift/bitcoin,sstone/bitcoin,MarcoFalke/bitcoin,EthanHeilman/bitcoin,jonasschnelli/bitcoin,namecoin/namecoin-core,jnewbery/bitcoin,particl/particl-core,Sjors/bitcoin,kallewoof/bitcoin,bitcoin/bitcoin,sstone/bitcoin,alecalve/bitcoin