Free playtree_iter upon exiting MPlayer

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30117 b3059339-0415-0410-9bf9-f77b7e298cf2

mplayer.c

@@ -707,6 +707,8 @@ void exit_player_with_rc(exit_reason_t how, int rc){
   if(mconfig)
     m_config_free(mconfig);
 
+  if(mpctx->playtree_iter)
+    play_tree_iter_free(mpctx->playtree_iter);
   if(mpctx->playtree)
     play_tree_free(mpctx->playtree, 1);