[libxml2] Fix an error in previous Conditional section patch

[Daniel Veillard <veillard src gnome org>]

commit 41ac9049a27f52e7a1f3b341f8714149fc88d450
Author: Daniel Veillard <veillard redhat com>
Date:   Tue Oct 27 10:53:44 2015 +0800

    Fix an error in previous Conditional section patch
    
    an off by one mistake in the change, led to error on correct
    document where the end of the included entity was exactly
    the end of the conditional section, leading to regtest failure

 parser.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/parser.c b/parser.c
index b9217ff..d67b300 100644
--- a/parser.c
+++ b/parser.c
@@ -6916,7 +6916,7 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) {
                                 NULL, NULL);
        }
        if ((ctxt-> instate != XML_PARSER_EOF) &&
-           ((ctxt->input->cur + 3) < ctxt->input->end))
+           ((ctxt->input->cur + 3) <= ctxt->input->end))
            SKIP(3);
     }
 }