[libgovirt] Fix leak in ovirt_cdrom_refresh_from_xml()

[Christophe Fergeau <teuf src gnome org>]

commit cc712cac624181eac9dae28096e24cd083c48cfd
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Thu May 22 12:49:11 2014 +0200

    Fix leak in ovirt_cdrom_refresh_from_xml()
    
    The filename was leaked if it was already set before the refresh.

 govirt/ovirt-cdrom.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/govirt/ovirt-cdrom.c b/govirt/ovirt-cdrom.c
index 2b8d7a0..e842e10 100644
--- a/govirt/ovirt-cdrom.c
+++ b/govirt/ovirt-cdrom.c
@@ -101,6 +101,7 @@ static gboolean ovirt_cdrom_refresh_from_xml(OvirtCdrom *cdrom,
     file_node = g_hash_table_lookup(node->children, file_key);
     if (file_node != NULL) {
         file = rest_xml_node_get_attr(file_node, "id");
+        g_free(cdrom->priv->file);
         cdrom->priv->file = g_strdup(file);
     }