keychain: better error from UserPasswd
keychain: better error from UserPasswd

jianhuihi/rsc,mukgupta/rsc,superChrome/rsc,amrhassan/rsc,yh453926638/rsc,yh453926638/rsc,achenge07/rsc,bundgaard/rsc,mengzhuo/rsc,balachandranc/rsc,toolkits/rsc,ReversalFate/rsc,mrheung/rsc,tka/rsc,MaGrosseGit/rsc,tka/rsc,steko/rsc,dleffert/rsc,vbatts/rsc,amrhassan/rsc,fuhj/rsc,mrheung/rsc,dleffert/rsc,mrheung/rsc,francoishill/rsc,francoishill/rsc,plumbum/rsc,jianhuihi/rsc,spuranam/rsc,sevki/rsc,guiquanz/goqr,splicers/rsc,fuhj/rsc,achenge07/rsc,sevki/rsc,odeke-em/rsc,fsiler/rsc,sirocyl/rsc,steko/rsc,onealtang/rsc,sirocyl/rsc,toolkits/rsc,zeroshirts/rsc_backup,MaGrosseGit/rsc,amrhassan/rsc,toolkits/rsc,fsiler/rsc,rsc/rsc,jempe/rsc,JustinHuang917/rsc,dleffert/rsc,jempe/rsc,sirocyl/rsc,mengzhuo/rsc,zeroshirts/rsc_backup,superChrome/rsc,taolu0615/rsc,steko/rsc,bundgaard/rsc,GreatStuff660/rsc,wonktnodi/rsc,vbatts/rsc,mrheung/rsc,odeke-em/rsc,balachandranc/rsc,ReversalFate/rsc,dleffert/rsc,splicers/rsc,onealtang/rsc,jianhuihi/rsc,jempe/rsc,bundgaard/rsc,honsty/rsc,spuranam/rsc,yh453926638/rsc,GreatStuff660/rsc,odeke-em/rsc,mukgupta/rsc,fsiler/rsc,taolu0615/rsc,ReversalFate/rsc,amrhassan/rsc,vbatts/rsc,JustinHuang917/rsc,plumbum/rsc,wonktnodi/rsc,fuhj/rsc,honsty/rsc,steko/rsc,spuranam/rsc,taolu0615/rsc,toolkits/rsc,jianhuihi/rsc,arthurdick/rsc,sevki/rsc,fuhj/rsc,rsc/rsc,francoishill/rsc,plumbum/rsc,sharpevo/rsc,MaGrosseGit/rsc,mukgupta/rsc,arthurdick/rsc,zeroshirts/rsc_backup,splicers/rsc,balachandranc/rsc,splicers/rsc,wonktnodi/rsc,odeke-em/rsc,wonktnodi/rsc,ReversalFate/rsc,vbatts/rsc,francoishill/rsc,sharpevo/rsc,UlricQin/rsc,superChrome/rsc,bundgaard/rsc,UlricQin/rsc,mukgupta/rsc,fsiler/rsc,guiquanz/goqr,superChrome/rsc,achenge07/rsc,yh453926638/rsc,plumbum/rsc,arthurdick/rsc,JustinHuang917/rsc,mengzhuo/rsc,balachandranc/rsc,sirocyl/rsc,UlricQin/rsc,arthurdick/rsc,spuranam/rsc,tka/rsc,UlricQin/rsc,taolu0615/rsc,sharpevo/rsc,guiquanz/goqr,tka/rsc,onealtang/rsc,zeroshirts/rsc_backup,GreatStuff660/rsc,sevki/rsc,onealtang/rsc,sharpevo/rsc,GreatStuff660/rsc,JustinHuang917/rsc,rsc/rsc,jempe/rsc,guiquanz/goqr,achenge07/rsc,rsc/rsc,MaGrosseGit/rsc,honsty/rsc,honsty/rsc,mengzhuo/rsc