don't die if autojunk unavailable (#952)
don't die if autojunk unavailable (#952)

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