[gupnp] Add an error for invalid XML attributes

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit fab04465f0788f324420d8e95d9e71d4e701c57a
Author: Santakivi Topi <Topi Santakivi digia com>
Date:   Mon Jun 13 09:46:22 2011 +0300

    Add an error for invalid XML attributes

 libgupnp/gupnp-error.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libgupnp/gupnp-error.h b/libgupnp/gupnp-error.h
index cfde0d3..6d3846b 100644
--- a/libgupnp/gupnp-error.h
+++ b/libgupnp/gupnp-error.h
@@ -113,6 +113,7 @@ typedef enum {
         GUPNP_XML_ERROR_PARSE,
         GUPNP_XML_ERROR_NO_NODE,
         GUPNP_XML_ERROR_EMPTY_NODE,
+        GUPNP_XML_ERROR_INVALID_ATTRIBUTE,
         GUPNP_XML_ERROR_OTHER
 } GUPnPXMLError;