sound-touch 1.7.1

Updated sound-touch to version 1.7.1 (latest atm) and fixed error in
configure.ac causing the installation to error out and quit.
Had to replace AM_CONFIG_HEADER with AC_CONFIG_HEADER.

Closes Homebrew/homebrew#18811.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/sound-touch.rb

@@ -2,13 +2,18 @@ require 'formula'
 
 class SoundTouch < Formula
   homepage 'http://www.surina.net/soundtouch/'
-  url 'http://www.surina.net/soundtouch/soundtouch-1.6.0.tar.gz'
-  sha256 '8776edaf7299ffe1e8c97285f020365a63c0e01aa4f6f7c5fd1d011c0ded278f'
+  url 'http://www.surina.net/soundtouch/soundtouch-1.7.1.tar.gz'
+  sha256 '385eafa438a9d31ddf84b8d2f713097a3f1fc93d7abdb2fc54c484b777ee0267'
 
   depends_on :autoconf
   depends_on :automake
   depends_on :libtool
 
+  # Fix autoreconf error
+  def patches
+    DATA
+  end
+
   def install
     # SoundTouch has a small amount of inline assembly. The assembly has two labeled
     # jumps. When compiling with gcc optimizations the inline assembly is duplicated
@@ -23,3 +28,16 @@ class SoundTouch < Formula
     system "make install"
   end
 end
+
+__END__
+--- soundtouch/configure.ac
++++ soundtouch/configure.ac
+@@ -21,7 +21,7 @@
+
+ AC_INIT(SoundTouch, 1.7.0, [http://www.surina.net/soundtouch])
+ AC_CONFIG_AUX_DIR(config)
+-AM_CONFIG_HEADER([include/soundtouch_config.h])
++AC_CONFIG_HEADER([include/soundtouch_config.h])
+ AM_INIT_AUTOMAKE
+ #AC_DISABLE_SHARED	dnl This makes libtool only build static libs
+ AC_DISABLE_STATIC	dnl This makes libtool only build shared libs