drm/kms: silencing a false positive warning.

warning: 'width' may be used uninitialized in this function
drivers/gpu/drm/drm_edid.c

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_edid.c

@@ -913,7 +913,7 @@ static int drm_cvt_modes(struct drm_connector *connector,
 	const int rates[] = { 60, 85, 75, 60, 50 };
 
 	for (i = 0; i < 4; i++) {
-		int width, height;
+		int uninitialized_var(width), height;
 		cvt = &(timing->data.other_data.data.cvt[i]);
 
 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 8) + 1) * 2;