[evolution] Fix an intltool issue in configure.ac.

[Matthew Barnes <mbarnes src gnome org>]

commit 1215cc59fad714d04a74333b591f139aa8b3dcf4
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jul 30 08:35:06 2009 -0400

    Fix an intltool issue in configure.ac.

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d2a52b3..78c5d4d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,8 @@ m4_define([evo_stable_version],
 # Base Version: This is for API/version tracking for things like
 # Bonobo server files.  This should always be the major/minor of
 # the stable version or stable version to be.
-m4_define([base_version], [2.28])
+BASE_VERSION=2.28
+AC_SUBST([BASE_VERSION])
 
 # Upgrade Revision: This is for triggering migration calls between
 # varying versions. Reset to 0 whenever BASE_VERSION changes.
@@ -105,7 +106,6 @@ if test "$evo_version" != "$evo_stable_version"; then
                   [Define to the latest stable version if this version is unstable])
 fi
 
-AC_SUBST([BASE_VERSION],[base_version])
 AC_DEFINE_UNQUOTED(BASE_VERSION, ["$BASE_VERSION"], [Base version (Major.Minor)])
 
 AC_SUBST([UPGRADE_REVISION],[upgrade_revision])