walletdb: fix last client version update
walletdb: fix last client version update

The value was only being updated launching releases with higher version numbers
and not if the user launched a previous release.

Co-authored-by: MacroFake <94662c316543fb349a23cc41ada52e5549f80958@gmail.com>

tecnovert/particl-core,kallewoof/bitcoin,AkioNak/bitcoin,instagibbs/bitcoin,fanquake/bitcoin,bitcoin/bitcoin,bitcoin/bitcoin,fanquake/bitcoin,sipsorcery/bitcoin,kallewoof/bitcoin,jamesob/bitcoin,bitcoin/bitcoin,bitcoin/bitcoin,lateminer/bitcoin,sstone/bitcoin,Xekyo/bitcoin,lateminer/bitcoin,mruddy/bitcoin,Xekyo/bitcoin,AkioNak/bitcoin,sstone/bitcoin,kallewoof/bitcoin,kallewoof/bitcoin,domob1812/bitcoin,bitcoinsSG/bitcoin,lateminer/bitcoin,Xekyo/bitcoin,sstone/bitcoin,bitcoin/bitcoin,namecoin/namecore,jambolo/bitcoin,kallewoof/bitcoin,domob1812/bitcoin,sipsorcery/bitcoin,kallewoof/bitcoin,namecoin/namecoin-core,particl/particl-core,bitcoinsSG/bitcoin,namecoin/namecoin-core,domob1812/bitcoin,tecnovert/particl-core,jamesob/bitcoin,instagibbs/bitcoin,AkioNak/bitcoin,bitcoin/bitcoin,sipsorcery/bitcoin,jamesob/bitcoin,bitcoinsSG/bitcoin,jamesob/bitcoin,tecnovert/particl-core,fanquake/bitcoin,mruddy/bitcoin,AkioNak/bitcoin,tecnovert/particl-core,Xekyo/bitcoin,sstone/bitcoin,Xekyo/bitcoin,namecoin/namecore,mruddy/bitcoin,ajtowns/bitcoin,ajtowns/bitcoin,instagibbs/bitcoin,instagibbs/bitcoin,tecnovert/particl-core,particl/particl-core,ajtowns/bitcoin,particl/particl-core,jambolo/bitcoin,fanquake/bitcoin,particl/particl-core,ajtowns/bitcoin,fujicoin/fujicoin,mruddy/bitcoin,jambolo/bitcoin,ajtowns/bitcoin,domob1812/bitcoin,jambolo/bitcoin,bitcoinsSG/bitcoin,sstone/bitcoin,Xekyo/bitcoin,mruddy/bitcoin,jamesob/bitcoin,fujicoin/fujicoin,namecoin/namecore,bitcoinsSG/bitcoin,namecoin/namecoin-core,fujicoin/fujicoin,namecoin/namecoin-core,domob1812/bitcoin,sipsorcery/bitcoin,AkioNak/bitcoin,namecoin/namecore,tecnovert/particl-core,sipsorcery/bitcoin,fujicoin/fujicoin,domob1812/bitcoin,namecoin/namecoin-core,particl/particl-core,lateminer/bitcoin,fanquake/bitcoin,sipsorcery/bitcoin,sstone/bitcoin,bitcoinsSG/bitcoin,namecoin/namecore,mruddy/bitcoin,fujicoin/fujicoin,lateminer/bitcoin,jamesob/bitcoin,instagibbs/bitcoin,AkioNak/bitcoin,instagibbs/bitcoin,namecoin/namecoin-core,namecoin/namecore,fanquake/bitcoin,ajtowns/bitcoin,jambolo/bitcoin,jambolo/bitcoin,fujicoin/fujicoin,particl/particl-core,lateminer/bitcoin