[libgovirt] Add missing va_end() call in error case

[Christophe Fergeau <teuf src gnome org>]

commit 2cca79a71bf9191309aa9b450902dd870eda49bf
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Mon Sep 8 15:27:08 2014 +0200

    Add missing va_end() call in error case
    
    Spotted by coverity.

 govirt/ovirt-utils.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/govirt/ovirt-utils.c b/govirt/ovirt-utils.c
index 8fa7312..0654280 100644
--- a/govirt/ovirt-utils.c
+++ b/govirt/ovirt-utils.c
@@ -65,6 +65,7 @@ ovirt_rest_xml_node_get_content(RestXmlNode *node, ...)
         node = rest_xml_node_find(node, node_name);
         if (node == NULL) {
             g_debug("could not find XML node '%s'", node_name);
+            va_end(args);
             return NULL;
         }
     }