[giggle] Fix memory leak

[Javier Jardón <jjardon src gnome org>]

commit 6cba38dca87efe6673fe41f23d59ef88ed4848cc
Author: Guilhem Bonnefille <guilhem bonnefille gmail com>
Date:   Thu Mar 25 23:14:01 2010 +0100

    Fix memory leak

 src/giggle-helpers.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/giggle-helpers.c b/src/giggle-helpers.c
index a3a2bff..de8e61d 100644
--- a/src/giggle-helpers.c
+++ b/src/giggle-helpers.c
@@ -128,6 +128,8 @@ giggle_tree_view_select_row_by_string (GtkWidget  *treeview,
 		g_free (text);
 		return TRUE;
 	}
+	g_free (text);
+	text = NULL;
 
 	if (tree_model_find_string (model, &iter, NULL, column, pattern)) {
 		path = gtk_tree_model_get_path (model, &iter);