[longomatch] Use automake silent rules

[Andoni Morales Alastruey <amorales src gnome org>]

commit fde8ee9ab23e5efaf411e18e2b454eaecfeef005
Author: Adrian Bunk <bunk stusta de>
Date:   Fri Nov 8 13:15:11 2013 +0200

    Use automake silent rules
    
    This is the official way for what shave was a hack for.
    
    automake 1.11 was released 4.5 years ago, so that version requirement
    shouldn't be a problem.

 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9735fd5..89b7ba1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,8 @@ dnl Warning: This is an automatically generated file, do not edit!
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ([2.54])
 AC_INIT([LongoMatch], [0.18.19])
-AM_INIT_AUTOMAKE([foreign])
+AM_INIT_AUTOMAKE([1.11 foreign])
+AM_SILENT_RULES([yes])
 AM_MAINTAINER_MODE
 
 AC_CONFIG_MACRO_DIR([build/m4])