util: Refactor FileCommit from an #if sequence nested in #else, to a sequence of #elif
util: Refactor FileCommit from an #if sequence nested in #else, to a sequence of #elif

This should not change the actual code generation.

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