[pygobject] Use g_slist_free_full in pygi-closure.

[Paolo Borelli <pborelli src gnome org>]

commit dee2f179037902a3883bd0e61ff1c350e1fd8a4f
Author: Paolo Borelli <pborelli gnome org>
Date:   Wed Jan 4 16:40:51 2012 +0100

    Use g_slist_free_full in pygi-closure.

 gi/pygi-closure.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gi/pygi-closure.c b/gi/pygi-closure.c
index f770b20..7cd0436 100644
--- a/gi/pygi-closure.c
+++ b/gi/pygi-closure.c
@@ -421,8 +421,7 @@ _pygi_make_native_closure (GICallableInfo* info,
     ffi_closure *fficlosure;
 
     /* Begin by cleaning up old async functions */
-    g_slist_foreach (async_free_list, (GFunc) _pygi_invoke_closure_free, NULL);
-    g_slist_free (async_free_list);
+    g_slist_free_full (async_free_list, (GDestroyNotify) _pygi_invoke_closure_free);
     async_free_list = NULL;
 
     /* Build the closure itself */