Fix unused warning on drawable.c

diff --git a/modules/video_output/drawable.c b/modules/video_output/drawable.c
index 347729bb4d76838782567bf59b79688c7461b00b..bdca15b45c20600a6ce963a53eb47c1ffa3c33a1 100644 (file)
--- a/modules/video_output/drawable.c
+++ b/modules/video_output/drawable.c
@@ -149,6 +149,8 @@ static void Close (vlc_object_t *obj)
 
 static int Control (vout_window_t *wnd, int query, va_list ap)
 {
+    VLC_UNUSED( ap );
+
     switch (query)
     {
         case VOUT_WINDOW_SET_SIZE:   /* not allowed */