Fix: Zsync -> Share this document crashes
Fix: Zsync -> Share this document crashes

NiLuJe/koreader,Markismus/koreader,koreader/koreader,mwoz123/koreader,poire-z/koreader,lgeek/koreader,Frenzie/koreader,koreader/koreader,houqp/koreader,poire-z/koreader,Hzj-jie/koreader,Frenzie/koreader,pazos/koreader,NiLuJe/koreader,mihailim/koreader,apletnev/koreader