Win32 Vout: set fullscreen back before quitting Vout.

This fix the big bug of disappearing of the interface in embedded mode.
(cherry picked from commit 29e96eaed0b0d38b5d812b6717f1429739ee8c3b)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/video_output/msw/direct3d.c

@@ -267,6 +267,12 @@ static void CloseVideo( vlc_object_t *p_this )
 
     Direct3DVoutRelease( p_vout );
 
+    if( p_vout->b_fullscreen )
+    {
+        Win32ToggleFullscreen( p_vout );
+        msg_Dbg( p_vout, "Quitting fullscreen" );
+    }
+
     if( p_vout->p_sys->p_event )
     {
         vlc_object_detach( p_vout->p_sys->p_event );

modules/video_output/msw/directx.c

@@ -488,7 +488,11 @@ static void CloseVideo( vlc_object_t *p_this )
 {
     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 
-    msg_Dbg( p_vout, "CloseVideo" );
+    if( p_vout->b_fullscreen )
+    {
+        Win32ToggleFullscreen( p_vout );
+        msg_Dbg( p_vout, "Quitting fullscreen" );
+    }
 
     if( p_vout->p_sys->p_event )
     {

modules/video_output/msw/glwin32.c

@@ -220,7 +220,11 @@ static void CloseVideo( vlc_object_t *p_this )
 {
     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 
-    msg_Dbg( p_vout, "closing video" );
+    if( p_vout->b_fullscreen )
+    {
+        Win32ToggleFullscreen( p_vout );
+        msg_Dbg( p_vout, "Quitting fullscreen" );
+    }
 
     if( p_vout->p_sys->p_event )
     {

modules/video_output/msw/wingdi.c

@@ -313,6 +313,12 @@ static void CloseVideo ( vlc_object_t *p_this )
 {
     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 
+    if( p_vout->b_fullscreen )
+    {
+        Win32ToggleFullscreen( p_vout );
+        msg_Dbg( p_vout, "Quitting fullscreen" );
+    }
+
     if( p_vout->p_sys->p_event )
     {
         vlc_object_detach( p_vout->p_sys->p_event );