[evolution] Fix two little memory leaks

[Dan VrÃtil <dvratil src gnome org>]

commit d58d259aa0cfb513ea165cedd558561890656d65
Author: Dan VrÃtil <dvratil redhat com>
Date:   Sat Oct 1 01:02:13 2011 +0200

    Fix two little memory leaks

 e-util/e-plugin-ui.c   |    3 ++-
 widgets/table/e-tree.c |    5 +++++
 2 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/e-util/e-plugin-ui.c b/e-util/e-plugin-ui.c
index 745a931..3ac9eb9 100644
--- a/e-util/e-plugin-ui.c
+++ b/e-util/e-plugin-ui.c
@@ -522,7 +522,8 @@ e_plugin_ui_hook_init (EPluginUIHook *hook)
 		(GDestroyNotify) g_free,
 		(GDestroyNotify) g_free);
 
-	registry = g_hash_table_new (g_direct_hash, g_direct_equal);
+	registry = g_hash_table_new_full (g_direct_hash, g_direct_equal,
+		NULL, (GDestroyNotify) g_hash_table_destroy);
 
 	hook->priv = G_TYPE_INSTANCE_GET_PRIVATE (
 		hook, E_TYPE_PLUGIN_UI_HOOK, EPluginUIHookPrivate);
diff --git a/widgets/table/e-tree.c b/widgets/table/e-tree.c
index 4181865..effd1e9 100644
--- a/widgets/table/e-tree.c
+++ b/widgets/table/e-tree.c
@@ -472,6 +472,11 @@ et_dispose (GObject *object)
 		priv->table_canvas = NULL;
 	}
 
+	if (priv->item != NULL) {
+		g_object_unref (G_OBJECT (priv->item));
+		priv->item = NULL;
+	}
+
 	/* Chain up to parent's dispose() method. */
 	G_OBJECT_CLASS (e_tree_parent_class)->dispose (object);
 }