[glib] GVariantTypeInfo: free hash table when not in use

[Ryan Lortie <ryanl src gnome org>]

commit 9f303375736edbb6c7d39f339b89be14d621fd8e
Author: Ryan Lortie <desrt desrt ca>
Date:   Sun Feb 7 02:52:07 2010 -0500

    GVariantTypeInfo: free hash table when not in use

 glib/gvarianttypeinfo.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/glib/gvarianttypeinfo.c b/glib/gvarianttypeinfo.c
index 55caa51..41207e6 100644
--- a/glib/gvarianttypeinfo.c
+++ b/glib/gvarianttypeinfo.c
@@ -833,6 +833,11 @@ g_variant_type_info_unref (GVariantTypeInfo *info)
           g_static_rec_mutex_lock (&g_variant_type_info_lock);
           g_hash_table_remove (g_variant_type_info_table,
                                container->type_string);
+          if (g_hash_table_size (g_variant_type_info_table) == 0)
+            {
+              g_hash_table_unref (g_variant_type_info_table);
+              g_variant_type_info_table = NULL;
+            }
           g_static_rec_mutex_unlock (&g_variant_type_info_lock);
 
           g_free (container->type_string);
@@ -851,4 +856,4 @@ g_variant_type_info_unref (GVariantTypeInfo *info)
 
 /* used from the test cases */
 #define assert_no_type_infos() \
-  g_assert_cmpint (g_hash_table_size (g_variant_type_info_table), ==, 0)
+  g_assert (g_variant_type_info_table == NULL)