[gconf-editor] build: enable AM_SILENT_RULES

[Cosimo Cecchi <cosimoc src gnome org>]

commit a2df7b48df17874d9dc018887954cf33fe81be7b
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Mar 7 12:20:36 2011 -0500

    build: enable AM_SILENT_RULES
    
    Patch by Thomas Andersen
    
    https://bugzilla.gnome.org/show_bug.cgi?id=607171

 configure.in |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.in
index 94b9b14..96300d2 100644
--- a/configure.in
+++ b/configure.in
@@ -6,6 +6,8 @@ AC_CONFIG_SRCDIR([src/main.c])
 
 AM_INIT_AUTOMAKE([1.9 foreign no-dist-gzip dist-bzip2])
 AC_CONFIG_HEADERS([config.h])
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
+AM_MAINTAINER_MODE
 
 IT_PROG_INTLTOOL([0.35.0])