madplay: Install the manpages in the correct place

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

Library/Formula/madplay.rb

@@ -1,13 +1,10 @@
 require 'formula'
 
 class Madplay < Formula
+  homepage 'http://www.underbit.com/products/mad/'
   url 'http://downloads.sourceforge.net/project/mad/madplay/0.15.2b/madplay-0.15.2b.tar.gz'
   md5 '6814b47ceaa99880c754c5195aa1aac1'
 
-  def homepage
-    Formula.factory('mad').homepage
-  end
-
   depends_on 'mad'
   depends_on 'libid3tag'
 
@@ -16,10 +13,12 @@ def patches
   end
 
   def install
-    configure_flags = ["--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"]
+    args = ["--disable-debug", "--disable-dependency-tracking",
+            "--prefix=#{prefix}",
+            "--mandir=#{man}"]
     # Avoid "error: CPU you selected does not support x86-64 instruction set"
-    configure_flags << "--build=x86_64" if MacOS.prefer_64_bit?
-    system "./configure", *configure_flags
+    args << "--build=x86_64" if MacOS.prefer_64_bit?
+    system "./configure", *args
     system "make install"
   end
 end