Backport of [22325]: Fixed tiny race condition.

src/osd/osd.c

@@ -117,8 +117,8 @@ osd_menu_t *__osd_MenuCreate( vlc_object_t *p_this, const char *psz_file )
 
 error:
     msg_Err( p_this, "creating OSD menu object failed" );
-    vlc_mutex_unlock( lockval.p_address );
     vlc_object_destroy( p_osd );
+    vlc_mutex_unlock( lockval.p_address );
     return NULL;
 }