Follow wayland change to serial numbers
diff --git a/src/screenshooter.c b/src/screenshooter.c
index 1df413f..414bcea 100644
--- a/src/screenshooter.c
+++ b/src/screenshooter.c
@@ -94,7 +94,7 @@
 	if (client != shooter->client) {
 		wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 				       "screenshooter failed: permission denied");
-		wl_resource_destroy(resource, 0);
+		wl_resource_destroy(resource);
 	}
 }