video_output core: make sure the stop the display thread when not reusing the vout.

When the vout is not reused the display thread was not properly stopped.

src/video_output/video_output.c

@@ -204,14 +204,8 @@ vout_thread_t *(vout_Request)(vlc_object_t *object,
     /* If a vout is provided, try reusing it */
     if (vout) {
         if (!vout_CanVoutBeRecycled(vout))
-        {
-            vout_control_cmd_t cmd;
-            vout_control_cmd_Init(&cmd, VOUT_CONTROL_CLEAN);
-            cmd.u.cfg = cfg;
-
-            vout_control_Push(&vout->p->control, &cmd);
             goto no_reuse;
-        }
+
         if (vout->p->input != cfg->input) {
             if (vout->p->input)
                 spu_Attach(vout->p->spu, vout->p->input, false);
@@ -233,7 +227,15 @@ vout_thread_t *(vout_Request)(vlc_object_t *object,
             msg_Dbg(object, "reusing provided vout");
             return vout;
         }
+
 no_reuse:
+        {
+        vout_control_cmd_t cmd;
+        vout_control_cmd_Init(&cmd, VOUT_CONTROL_CLEAN);
+        cmd.u.cfg = cfg;
+
+        vout_control_Push(&vout->p->control, &cmd);
+        }
         vout_CloseAndRelease(vout);
 
         msg_Warn(object, "cannot reuse provided vout");