util: Prefer Mac-specific F_FULLSYNC over fdatasync in FileCommit
util: Prefer Mac-specific F_FULLSYNC over fdatasync in FileCommit

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