[evolution-ews] Bug #675871 - Hide gnu make extensions warnings for automake 1.12

[Milan Crha <mcrha src gnome org>]

commit 7f8ff6ae0ebd4629c28a5b95313c0ed91e6b03bf
Author: Milan Crha <mcrha redhat com>
Date:   Fri May 11 15:46:40 2012 +0200

    Bug #675871 - Hide gnu make extensions warnings for automake 1.12

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e79d796..fca79e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ(2.58)
 AC_INIT([evolution-ews], [3.5.2], [http://bugzilla.gnome.org/browse.cgi?product=evolution-ews])
-AM_INIT_AUTOMAKE([gnu 1.9 dist-xz no-dist-gzip])
+AM_INIT_AUTOMAKE([gnu 1.9 dist-xz no-dist-gzip -Wno-portability])
 AC_CONFIG_SRCDIR(README)
 AC_CONFIG_HEADERS(config.h)