builder: Skip introspecting lookup_callback_symbol()

Opaque function pointers as return values are not really usable in high
level languages, even via introspection.

diff --git a/gtk/gtkbuilder.c b/gtk/gtkbuilder.c
index 2b7a93788024e6909223ba72f576552b44db0c51..806fc12543be7b90e7d85d424fd488ed885d752e 100644 (file)
--- a/gtk/gtkbuilder.c
+++ b/gtk/gtkbuilder.c
@@ -2435,7 +2435,7 @@ gtk_builder_add_callback_symbols (GtkBuilder  *builder,
 }
 
 /**
- * gtk_builder_lookup_callback_symbol:
+ * gtk_builder_lookup_callback_symbol: (skip)
  * @builder: a #GtkBuilder
  * @callback_name: The name of the callback
  *