Typo

include/vlc_xlib.h

@@ -40,7 +40,7 @@ static inline bool vlc_xlib_init (vlc_object_t *obj)
         {
             /* (_Xglobal_lock == NULL) => Xlib threads not initialized */
             /* (_XErrorFunction != NULL) => Xlib already in use */
-            fprintf (stderr, "%s:%u:%u: Xlib not initialized for threads.\n"
+            fprintf (stderr, "%s:%u:%s: Xlib not initialized for threads.\n"
                      "This process is probably using LibVLC incorrectly.\n"
                      "Pass \"--no-xlib\" to libvlc_new() to fix this.\n",
                      __FILE__, __LINE__, __func__);