[atk] Bump glib dep to 2.31.2

[Alejandro PiÃeiro Iglesias <apinheiro src gnome org>]

commit b6f2baefd56027f82aaef74a01416511f5addc6d
Author: Alejandro PiÃeiro <apinheiro igalia com>
Date:   Fri Mar 16 18:20:20 2012 +0100

    Bump glib dep to 2.31.2
    
    Needed for G_DEPRECATED_FOR

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0c8e08b..2986c12 100644
--- a/configure.ac
+++ b/configure.ac
@@ -160,7 +160,7 @@ if test "x$GCC" = "xyes"; then
 fi
 changequote([,])dnl
 
-GLIB_REQUIRED_VERSION=2.0.0
+GLIB_REQUIRED_VERSION=2.31.2
 GLIB_PACKAGES="gobject-2.0"
 AC_SUBST(GLIB_PACKAGES)
 AC_SUBST(GLIB_REQUIRED_VERSION)