[libgsf] Doc fix.

[Morten Welinder <mortenw src gnome org>]

commit 9e0f43939478282a6dfa8c647c6014f31d2eaf9f
Author: Morten Welinder <terra gnome org>
Date:   Mon Mar 30 17:13:10 2015 -0400

    Doc fix.

 gsf/gsf-libxml.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gsf/gsf-libxml.h b/gsf/gsf-libxml.h
index 5e736bd..103fe9f 100644
--- a/gsf/gsf-libxml.h
+++ b/gsf/gsf-libxml.h
@@ -58,6 +58,7 @@ gboolean gsf_xml_probe (GsfInput *input,
  * @GSF_XML_NO_CONTENT: node has no cstr contents
  * @GSF_XML_CONTENT: node has cstr contents
  * @GSF_XML_SHARED_CONTENT: node has contents that is shared with children
+ * @GSF_XML_2ND: node is second or later occurrence
  *
  * Controls the handling of character data within a parser node.
  */