[evolution] extended_g_node_insert_before: Small correction.

[Matthew Barnes <mbarnes src gnome org>]

commit 3c2e03fa5c1f013f06c6134d5cb7244c94994936
Author: Matthew Barnes <mbarnes redhat com>
Date:   Fri Jun 21 09:41:03 2013 -0400

    extended_g_node_insert_before: Small correction.

 mail/message-list.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/mail/message-list.c b/mail/message-list.c
index 303eafc..898b1c4 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -415,6 +415,7 @@ extended_g_node_insert_before (GNode *parent,
 
        /* This is where tracking the last child pays off. */
        if (sibling == NULL && ext_parent->last_child != NULL) {
+               node->parent = parent;
                node->prev = ext_parent->last_child;
                ext_parent->last_child->next = node;
        } else {