[gtranslator] Have GtrMessageTableModel keep a ref to the GtrMessageContainer

[Carlos Garnacho <carlosg src gnome org>]

commit d1ac9f9cc4a51901a6dfeb4447fd60f3394f9c76
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue May 1 19:48:06 2012 +0200

    Have GtrMessageTableModel keep a ref to the GtrMessageContainer
    
    This fixes the critical messages when the GtrTab disposes the
    GtrPo container before the treeview and the model being shown.

 src/gtr-message-table-model.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/gtr-message-table-model.c b/src/gtr-message-table-model.c
index b48ad66..6419dc6 100644
--- a/src/gtr-message-table-model.c
+++ b/src/gtr-message-table-model.c
@@ -329,6 +329,7 @@ gtr_message_table_model_init (GtrMessageTableModel * model)
 static void
 gtr_message_table_model_finalize (GObject * object)
 {
+  g_object_unref (GTR_MESSAGE_TABLE_MODEL (object)->container);
   parent_class->finalize (object);
 }
 
@@ -343,7 +344,7 @@ gtr_message_table_set_property (GObject      * object,
   switch (prop_id)
     {
     case PROP_CONTAINER:
-      model->container = g_value_get_object (value);
+      model->container = g_value_dup_object (value);
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);