[rhythmbox] Use GNOME_MAINTAINER_MODE_DEFINES macro

[Jonathan Matthew <jmatthew src gnome org>]

commit 02a7224a7ab48a74b8af071e3b71f77a074e99d5
Author: Javier Jardón <jjardon gnome org>
Date:   Sat Dec 26 14:45:39 2009 +0100

    Use GNOME_MAINTAINER_MODE_DEFINES macro
    
    This macro notifies when a deprecated Glib / GTK+ symbols is used
    
    https://bugzilla.gnome.org/show_bug.cgi?id=559582

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 991b699..d2554dd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,6 +9,7 @@ AM_INIT_AUTOMAKE([1.9 dist-bzip2 no-dist-gzip])
 AC_SUBST(ACLOCAL_AMFLAGS, "-I macros")
 
 AM_MAINTAINER_MODE
+GNOME_MAINTAINER_MODE_DEFINES
 
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],)