[libsyn] Fix extractor alphabetic order

youtube_dl/extractor/__init__.py

@@ -250,8 +250,8 @@ from .letv import (
     LetvTvIE,
     LetvPlaylistIE
 )
-from .lifenews import LifeNewsIE
 from .libsyn import LibsynIE
+from .lifenews import LifeNewsIE
 from .liveleak import LiveLeakIE
 from .livestream import (
     LivestreamIE,