caca: Fix a warning about unsigned.

diff --git a/modules/video_output/caca.c b/modules/video_output/caca.c
index d8e1a54ae2a1241514beb90b732e2036623ca3ef..abded93e890b7cc7596fb5b9e5d1f1f102bf0bb7 100644 (file)
--- a/modules/video_output/caca.c
+++ b/modules/video_output/caca.c
@@ -336,8 +336,8 @@ static void Refresh(vout_display_t *vd)
     caca_refresh_display(sys->dp);
 
     /* */
-    const int width  = caca_get_display_width(sys->dp);
-    const int height = caca_get_display_height(sys->dp);
+    const unsigned width  = caca_get_display_width(sys->dp);
+    const unsigned height = caca_get_display_height(sys->dp);
 
     if (width  != vd->cfg->display.width ||
         height != vd->cfg->display.height)