remove php notice when no url in player
remove php notice when no url in player

blat/simplepie,FreshRSS/simplepie,FreshRSS/simplepie,simplepie/simplepie,blat/simplepie,mblaney/simplepie,blat/simplepie,mblaney/simplepie,simplepie/simplepie,skyzyx/simplepie,skyzyx/simplepie