enable "Open Homepage" action correctly when showing a feed, but only when the feed has a non-empty htmlUrl
enable "Open Homepage" action correctly when showing a feed, but only when the feed has a non-empty htmlUrl

svn path=/trunk/KDE/kdepim/akregator/; revision=483828

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi