mozilla: stop playing on page reload and when already playing

projects/mozilla/vlcplugin.cpp

@@ -495,6 +495,8 @@ VlcPlugin::~VlcPlugin()
 
     if( libvlc_media_player )
     {
+        if( playlist_isplaying() )
+            playlist_stop();
         events.unhook_manager();
         libvlc_media_player_release( libvlc_media_player );
     }

projects/mozilla/vlcplugin.h

@@ -237,6 +237,8 @@ public:
 
     void playlist_play()
     {
+        if( playlist_isplaying() )
+            playlist_stop();
         if( libvlc_media_player||playlist_select(0) )
             libvlc_media_player_play(libvlc_media_player);
     }