macosx: disable fullscreen when closing video_output when output is embedded...

macosx: disable fullscreen when closing video_output when output is embedded (like in the mozilla browserplugins)
(cherry picked from commit 795fa06c)

modules/gui/macosx/voutgl.m

@@ -211,6 +211,19 @@ void CloseVideoGL ( vlc_object_t * p_this )
     msg_Dbg( p_this, "Closing" );
 
 #ifndef __x86_64__
+    /* If the fullscreen window is still open, close it */
+    if( p_vout->b_fullscreen )
+    {
+        p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
+        if( p_vout->p_sys->b_embedded )
+        {
+            aglManage( p_vout );
+            var_SetBool( p_vout->p_parent, "fullscreen", false );
+        }
+        else
+            Manage( p_vout );
+    }
+
     if( p_vout->p_sys->b_embedded )
     {
         if( p_vout->p_sys->agl_ctx )