[glib] bump version

[Matthias Clasen <matthiasc src gnome org>]

commit b6f65ec94065eb1ef321fe034b6fe94059bb741e
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 5 11:43:20 2012 -0500

    bump version

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1299ba5..47daf3a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,7 +31,7 @@ m4_define(glib_configure_ac)
 
 m4_define([glib_major_version], [2])
 m4_define([glib_minor_version], [31])
-m4_define([glib_micro_version], [20])
+m4_define([glib_micro_version], [21])
 m4_define([glib_interface_age], [0])
 m4_define([glib_binary_age],
           [m4_eval(100 * glib_minor_version + glib_micro_version)])