video_filter: fix warnings
[vlc.git] / modules / video_filter / mosaic.c
index ccd30c8..8defef0 100644 (file)
@@ -737,6 +737,7 @@ static int MosaicCallback( vlc_object_t *p_this, char const *psz_var,
                             vlc_value_t oldval, vlc_value_t newval,
                             void *p_data )
 {
+    VLC_UNUSED(oldval);
     filter_sys_t *p_sys = (filter_sys_t *) p_data;
 
 #define VAR_IS( a ) !strcmp( psz_var, CFG_PREFIX a )