[libgda] Corrected mem leak on error

[Vivien Malerba <vivien src gnome org>]

commit 4a712a897f32ba887fb396b60e5a840048e0a705
Author: Vivien Malerba <malerba gnome-db org>
Date:   Sun Jun 3 18:02:03 2012 +0200

    Corrected mem leak on error

 libgda/gda-meta-store.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libgda/gda-meta-store.c b/libgda/gda-meta-store.c
index 26afbb2..e551fd2 100644
--- a/libgda/gda-meta-store.c
+++ b/libgda/gda-meta-store.c
@@ -3032,6 +3032,8 @@ gda_meta_store_modify_with_context (GdaMetaStore *store, GdaMetaContext *context
 
 	if (store->priv->init_error) {
 		g_propagate_error (error, g_error_copy (store->priv->init_error));
+		if (cond)
+			g_string_free (cond, TRUE);
 		return FALSE;
 	}