[gegl] bump the glib required version to 2.28.0, since we use g_list_free_full ()

[Michael Murà <mmure src gnome org>]

commit 873861158b302b8f1cfc7d9e35fafd774287ab16
Author: Michael Murà <batolettre gmail com>
Date:   Tue Sep 13 09:00:06 2011 +0200

    bump the glib required version to 2.28.0, since we use g_list_free_full ()

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a02f718..470a2e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,7 @@ m4_define([gimp_full_name], [Generic Graphical Library])
 m4_define([babl_required_version], [0.1.4])
 m4_define([cairo_required_version], [0.0.0])
 m4_define([gdk_pixbuf_required_version], [2.18.0])
-m4_define([glib_required_version], [2.22.0])
+m4_define([glib_required_version], [2.28.0])
 m4_define([graphviz_required_version], [0.0.0])
 m4_define([jasper_required_version], [1.900.1])
 m4_define([lensfun_required_version], [0.2.5])