portaudio v19_20111121

Update portaudio to the latest stable version. This eliminates the
patches used in the previous formula.

PyAudio doesn't seem to build against this version, but it wasn't
building against the previous version either.

Formula/portaudio.rb

@@ -1,9 +1,9 @@
 require 'formula'
 
 class Portaudio < Formula
-  url 'http://www.portaudio.com/archives/pa_stable_v19_20071207.tar.gz'
+  url 'http://www.portaudio.com/archives/pa_stable_v19_20111121.tgz'
   homepage 'http://www.portaudio.com'
-  md5 'd2943e4469834b25afe62cc51adc025f'
+  md5 '25c85c1cc5e9e657486cbc299c6c035a'
 
   depends_on 'pkg-config' => :build
 
@@ -13,19 +13,16 @@ class Portaudio < Formula
     [["--universal", "Build a universal binary."]]
   end
 
-  # Use the MacPort patches that fix compiling against newer OS X SDKs
-  def patches
-    {:p0 => [
-      "https://trac.macports.org/export/77586/trunk/dports/audio/portaudio/files/patch-configure",
-      "https://trac.macports.org/export/77586/trunk/dports/audio/portaudio/files/patch-src__hostapi__coreaudio__pa_mac_core.c",
-      "https://trac.macports.org/export/77586/trunk/dports/audio/portaudio/files/patch-src__common__pa_types.h"
-    ]}
-  end unless MacOS.leopard?
-
   def install
     ENV.universal_binary if ARGV.build_universal?
 
-    system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"
+    args = [ "--prefix=#{prefix}",
+             "--disable-debug",
+             "--disable-dependency-tracking",
+             # portaudio builds universal unless told not to
+             "--enable-mac-universal=#{ARGV.build_universal? ? 'yes' : 'no'}" ]
+
+    system "./configure", *args
     system "make install"
 
     # Need 'pa_mac_core.h' to compile PyAudio