Use _unref instead of _free _destroy when possible.unref

Replace g_(ptr_)array_free (foo, TRUE) and g_hash_table_destroy
with respectively g_(ptr_)array_unref (foo) and g_hash_table_unref.

I used this command to generate this patch:
for f in `find -name "*.c"`; do sed -i $f -re 's/g_ptr_array_free \(([^ ,]+), TRUE\)/g_ptr_array_unref \(\1\)/'; done

See Danielle's blog for explanation of possible bug _free can do:
http://blogs.gnome.org/danni/2011/11/16/mistakes-with-g_value_set_boxed/

2 files changed, 3 insertions, 3 deletions

diff --git a/tests/empathy-chatroom-manager-test.c b/tests/empathy-chatroom-manager-test.c
index 966027f38..3ba0239f1 100644
--- a/tests/empathy-chatroom-manager-test.c
+++ b/tests/empathy-chatroom-manager-test.c
@@ -76,7 +76,7 @@ check_chatrooms_list (EmpathyChatroomManager *mgr,
   fail_if (g_hash_table_size (found) != 0);
 
   g_list_free (chatrooms);
-  g_hash_table_destroy (found);
+  g_hash_table_unref (found);
 }
 
 static gboolean
diff --git a/tests/empathy-tls-test.c b/tests/empathy-tls-test.c
index f2b667d0b..8256da477 100644
--- a/tests/empathy-tls-test.c
+++ b/tests/empathy-tls-test.c
@@ -102,7 +102,7 @@ mock_tls_certificate_finalize (GObject *object)
       &self->rejections);
   g_free (self->cert_type);
   self->cert_type = NULL;
-  g_ptr_array_free (self->cert_data, TRUE);
+  g_ptr_array_unref (self->cert_data);
   self->cert_data = NULL;
 
   G_OBJECT_CLASS (mock_tls_certificate_parent_class)->finalize (object);
@@ -226,7 +226,7 @@ mock_tls_certificate_assert_rejected (MockTLSCertificate *self,
               TP_HASH_TYPE_STRING_VARIANT_MAP, &rejection_details,
               NULL);
       g_free (rejection_error);
-      g_hash_table_destroy (rejection_details);
+      g_hash_table_unref (rejection_details);
 
       if (rejection_reason == reason)
         return;