"Empty needle"-silencer (#530)
"Empty needle"-silencer (#530)

Don't add photo if URL is empty
Fix for #529
simplepie/simplepie,mblaney/simplepie,FreshRSS/simplepie,simplepie/simplepie,skyzyx/simplepie,mblaney/simplepie,skyzyx/simplepie,FreshRSS/simplepie