[rygel] build: Silence portability warnings

[Jens Georg <jensgeorg src gnome org>]

commit f9b7c20e9d0ce97d6c6bd1d0536b4b1d7ae6148c
Author: Jens Georg <mail jensge org>
Date:   Mon Jul 16 21:50:53 2012 +0200

    build: Silence portability warnings

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b6c1da3..6515b93 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@ AC_SUBST(abs_top_builddir)
 AC_SUBST(VERSION)
 
 dnl Initialize automake
-AM_INIT_AUTOMAKE([1.11.1 tar-ustar no-dist-gzip dist-xz])
+AM_INIT_AUTOMAKE([1.11.1 tar-ustar no-dist-gzip dist-xz -Wno-portability])
 AM_MAINTAINER_MODE([enable])
 
 dnl Initialize libtool