cms-colord: Fix build after the API change 'Honor XDG_CONFIG_DIRS'

src/cms-colord.c

@@ -478,7 +478,7 @@ colord_cms_output_destroy(gpointer data)
 
 WL_EXPORT int
 module_init(struct weston_compositor *ec,
-	    int *argc, char *argv[], const char *config_file)
+	    int *argc, char *argv[])
 {
 	gboolean ret;
 	GError *error = NULL;