[glib] gmarkup: Make append_escaped_text() slightly more robust.

[Hans Petter <hansp src gnome org>]

commit c71b16c3be17113f80693690555c453f31e5f31a
Author: Hans Petter Jansson <hpj cl no>
Date:   Tue Apr 28 16:50:42 2015 +0200

    gmarkup: Make append_escaped_text() slightly more robust.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=631597

 glib/gmarkup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/gmarkup.c b/glib/gmarkup.c
index 9b60387..4185ab3 100644
--- a/glib/gmarkup.c
+++ b/glib/gmarkup.c
@@ -2157,7 +2157,7 @@ append_escaped_text (GString     *str,
   p = text;
   end = text + length;
 
-  while (p != end)
+  while (p < end)
     {
       const gchar *next;
       next = g_utf8_next_char (p);