xine-backend: Remove protocols from supported extensions

This caused problems with the extension filter of the file opener dialog.

This fixes TDE/tdemultimedia#58.

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>

kaffeine/src/player-parts/xine-part/xine_part.cpp

@@ -1830,6 +1830,7 @@ TQString XinePart::supportedExtensions()
 		return TQString();
 
 	TQString ext  = m_xine->getSupportedExtensions();
+	ext = ext.remove(TQRegExp("[A-Za-z]+:[/]+"));
 	ext = ext.remove("txt");
 	ext = "*." + ext;
 	ext.append(" smil");