[gtk+/quartz-integration] Don't use deprecated G_UNICODE_COMBINING_MARK

[John Ralls <jralls src gnome org>]

commit 0347a54479614397d49e7e0b57e51f9d97f6dd9a
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Jul 22 19:56:49 2011 +0200

    Don't use deprecated G_UNICODE_COMBINING_MARK

 gtk/gtktextiter.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktextiter.c b/gtk/gtktextiter.c
index 51c8f8f..c399f6f 100644
--- a/gtk/gtktextiter.c
+++ b/gtk/gtktextiter.c
@@ -4476,7 +4476,7 @@ exact_prefix_cmp (const gchar *string,
   /* If string contains prefix, check that prefix is not followed
    * by a unicode mark symbol, e.g. that trailing 'a' in prefix
    * is not part of two-char a-with-hat symbol in string. */
-  return type != G_UNICODE_COMBINING_MARK &&
+  return type != G_UNICODE_SPACING_MARK &&
          type != G_UNICODE_ENCLOSING_MARK &&
          type != G_UNICODE_NON_SPACING_MARK;
 }