[gedit-cossa] Do not leak the hash table

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 96c6b6bfa93688925a297ac365495f1f0b48c060
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Sat May 28 15:17:24 2011 +0200

    Do not leak the hash table

 src/gedit-cossa-plugin.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/gedit-cossa-plugin.c b/src/gedit-cossa-plugin.c
index c5306ae..45e95be 100644
--- a/src/gedit-cossa-plugin.c
+++ b/src/gedit-cossa-plugin.c
@@ -130,6 +130,12 @@ cossa_plugin_dispose (GObject *object)
       priv->ui_action_group = NULL;
     }
 
+  if (priv->previews != NULL)
+    {
+      g_hash_table_unref (priv->previews);
+      priv->previews = NULL;
+    }
+
   G_OBJECT_CLASS (cossa_plugin_parent_class)->dispose (object);
 }