Fix iTunes import.

Author: E.S. Rosenberg a.k.a. Keeper of the Keys

src/gpodder/plugins/itunes.py

@@ -39,7 +39,7 @@ class ITunesFeedException(BaseException):
 
 @registry.feed_handler.register
 def itunes_feed_handler(channel, max_episodes, config):
-    m = re.match(r'https?://itunes.apple.com/(?:[^/]*/)?podcast/.+$', channel.url, re.I)
+    m = re.match(r'https?://podcasts.apple.com/(?:[^/]*/)?podcast/.+$', channel.url, re.I)
     if m is None:
         return None