Since 3.9.2 it no longer uses feedparser and instead used postcastparser http://gpodder.org/podcastparser/ this may mean we need an additonal ebuild as a dependency. http://blog.gpodder.org/ under 3.9.2 you can see information on the dependency change in order to make 3.9.3 work.
*** This bug has been marked as a duplicate of bug 615548 ***