Change required glib version from "2.28" to "2.28.0"

Fixes the recent configure error:
  checking for GLIB - version >= 2.28... 2.28, bad version string

introduced by 95446c311

diff --git a/configure.ac b/configure.ac
index fde37797b76e1fbf9b1c900f7e822b11b4847650..d806f32e818d8c961a5ccf88d3b8e4a02e1e20d4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -38,7 +38,7 @@ AC_CONFIG_MACRO_DIR([m4])
 m4_define([gtk_binary_version], [3.0.0])
 
 # required versions of other packages
-m4_define([glib_required_version], [2.28])
+m4_define([glib_required_version], [2.28.0])
 m4_define([pango_required_version], [1.20])
 m4_define([atk_required_version], [1.30])
 m4_define([cairo_required_version], [1.10.0])