[pygobject] Raise required glib version to 2.31 because of g_value_(get|set)_schar

[Sebastian Polsterl <sebp src gnome org>]

commit 3af5016978df598d5fd1c225cc49bb2c04dc4e35
Author: Sebastian PÃlsterl <sebp k-d-w org>
Date:   Fri Feb 10 13:29:41 2012 +0100

    Raise required glib version to 2.31 because of g_value_(get|set)_schar
    
    Commit ee62df4d2fc0cc63c2f29d3ad9b47b875dbd5f89 introduced both calls

 configure.ac |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 342bc78..6e4adc1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,8 +19,8 @@ dnl versions of packages we require ...
 m4_define(introspection_required_version, 1.29.0)
 m4_define(py2cairo_required_version, 1.2.0)
 m4_define(py3cairo_required_version, 1.10.0)
-m4_define(glib_required_version, 2.24.0)
-m4_define(gio_required_version, 2.24.0)
+m4_define(glib_required_version, 2.31.0)
+m4_define(gio_required_version, 2.31.0)
 
 AC_INIT(pygobject, pygobject_version,
         [http://bugzilla.gnome.org/enter_bug.cgi?product=pygobject])
@@ -199,7 +199,7 @@ GI_DATADIR=$($PKG_CONFIG --variable=gidatadir gobject-introspection-1.0)
 AC_SUBST(GI_DATADIR)
 
 if test "$enable_cairo" != no; then
-    if test $build_py3k = true; then  
+    if test $build_py3k = true; then
         PKG_CHECK_MODULES(PYCAIRO,
             py3cairo >= py3cairo_required_version
         )