[gedit] Enable silent mode when using a modern automake

[Paolo Borelli <pborelli src gnome org>]

commit c42b6b8ce7a5bfbcfaa3d78f0c98660b2dea0610
Author: Paolo Borelli <porelli gnome org>
Date:   Sat Jun 27 18:48:34 2009 +0200

    Enable silent mode when using a modern automake

 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4db0e7f..abefa9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,6 +24,8 @@ AC_SUBST(GEDIT_API_VERSION)
 AM_INIT_AUTOMAKE([1.8 dist-bzip2 no-dist-gzip -Wno-portability])
 
 AM_MAINTAINER_MODE
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
+
 AC_CONFIG_HEADERS(config.h)
 AC_DISABLE_STATIC