rename corrupt collection (#999)
rename corrupt collection (#999)

if we don't do this, the user can never get back into the profile
in order to overwrite it with a backup

jakesyl/ruby-card,abeyer/anki,Stvad/anki,hssm/anki,LucasCabello/anki,jakesyl/ruby-card,eduOS/anki,holycrepe/anki,weihautin/anki,hssm/anki,subfusc/anki,go38/anki,jkitching/anki,kenjhim/anki,weihautin/anki,socialpercon/anki-1,Arthaey/anki,xuewenfei/anki,ospalh/libanki3,sunclx/anki,florianjacob/anki