[gnome-themes-standard] build: enable silent rules

[Cosimo Cecchi <cosimoc src gnome org>]

commit c7148fc46524d6cfe9416a3c72821db95f432955
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Oct 15 17:33:07 2012 -0400

    build: enable silent rules

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d75368f..7578bc5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AC_INIT([gnome-themes-standard], [3.6.0.2],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-themes-standard])
 
 AM_INIT_AUTOMAKE([1.9 tar-ustar foreign dist-xz no-dist-gzip])
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 PKG_PROG_PKG_CONFIG([0.19])