[glib] fix a compiler warning

[Matthias Clasen <matthiasc src gnome org>]

commit ddf9633d95235ed783cdab42e79e99b7b0f6bee0
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 9 15:27:07 2012 -0500

    fix a compiler warning

 glib/tests/regex.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/tests/regex.c b/glib/tests/regex.c
index b256cb4..a3ca95f 100644
--- a/glib/tests/regex.c
+++ b/glib/tests/regex.c
@@ -202,7 +202,7 @@ struct _Match
 typedef struct _Match Match;
 
 static void
-free_match (gpointer data, gpointer user_data)
+free_match (gpointer data)
 {
   Match *match = data;
   if (match == NULL)