[grilo] build: add "subdir-objects" option in configure.ac

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit a2d576dc306f3cb1a0fb6b383c62652f8d0d00e9
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Tue Aug 5 08:35:25 2014 +0000

    build: add "subdir-objects" option in configure.ac

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b5f6fc6..b13304c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@ AC_INIT([prj_name],
         [prj_name],
         [https://wiki.gnome.org/Projects/Grilo])
 
-AM_INIT_AUTOMAKE([foreign])
+AM_INIT_AUTOMAKE([foreign subdir-objects])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([src/grilo.h])