[ekiga] Fix warning with automake 1.14

[Eugen Dedu <ededu src gnome org>]

commit 2192adcdf282aed5cc57a71557b0d8c98534dc4f
Author: Eugen Dedu <Eugen Dedu pu-pm univ-fcomte fr>
Date:   Wed Sep 18 12:13:47 2013 +0200

    Fix warning with automake 1.14

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e09f897..1c9b7df 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ AC_CANONICAL_TARGET
 AC_PREREQ([2.53])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(src/ekiga.cpp)
-AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz tar-ustar])
+AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz tar-ustar subdir-objects])
 
 AM_MAINTAINER_MODE([enable])
 AC_CONFIG_HEADERS([config.h])