[gobject-introspection] Use g_free as element_free_func

[Sebastian Polsterl <sebp src gnome org>]

commit c9dc7a1fa2c4c5fa8b25780ebac06e4df0c428d7
Author: Sebastian PÃlsterl <sebp k-d-w org>
Date:   Sun Feb 5 11:41:12 2012 +0100

    Use g_free as element_free_func
    
    The elements of the GPtrArray are of type char*, therefore use
    g_free rather than g_object_unref to as element_free_func

 tests/scanner/regress.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/scanner/regress.c b/tests/scanner/regress.c
index 3b0fc50..8fd210e 100644
--- a/tests/scanner/regress.c
+++ b/tests/scanner/regress.c
@@ -1327,7 +1327,7 @@ regress_test_garray_container_return (void)
 {
   GPtrArray *array;
 
-  array = g_ptr_array_new_with_free_func (g_object_unref);
+  array = g_ptr_array_new_with_free_func (g_free);
   g_ptr_array_add (array, g_strdup ("regress"));
 
   return array;