fixed one bug in sync func call

diff --git a/examples/gum-example.c b/examples/gum-example.c
index b4eef51..93c8ae8 100644 (file)
--- a/examples/gum-example.c
+++ b/examples/gum-example.c
@@ -382,7 +382,7 @@ _handle_group_add (
 {
     GumGroup *grp = NULL;
 
-    grp = gum_group_create_sync (_on_group_op);
+    grp = gum_group_create_sync ();
     if (!grp) return;
 
     _set_group_prop (grp, group);