movieplayer: initialize vpid and vtype variables

Origin commit data
------------------
Commit: 23d8cc6434
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2013-11-10 (Sun, 10 Nov 2013)

src/gui/movieplayer.cpp

@@ -357,6 +357,8 @@ void CMoviePlayerGui::Cleanup()
 	numpida = 0; currentapid = 0;
 	currentspid = -1;
 	numsubs = 0;
+	vpid = 0;
+	vtype = 0;
 
 	startposition = 0;
 	is_file_player = false;