Do not include author in OPDS download filename if nil or empty (#7384)
Do not include author in OPDS download filename if nil or empty (#7384)


koreader/koreader,Frenzie/koreader,Frenzie/koreader,NiLuJe/koreader,poire-z/koreader,koreader/koreader,poire-z/koreader,NiLuJe/koreader,mwoz123/koreader,Hzj-jie/koreader