New formula: libvo-aacenc

Library containing VisualOn implementation of Advanced Audio Coding
(AAC) encoder.  May be used by ffmpeg, among other tools, to provide
AAC encoding capability.

Closes Homebrew/homebrew#12231.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/libvo-aacenc.rb

@@ -0,0 +1,12 @@
+require 'formula'
+
+class LibvoAacenc < Formula
+  homepage 'http://opencore-amr.sourceforge.net/'
+  url 'http://sourceforge.net/projects/opencore-amr/files/vo-aacenc/vo-aacenc-0.1.2.tar.gz'
+  md5 'cc862dce14ea5d688506904160c65a02'
+
+  def install
+    system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"
+    system "make install"
+  end
+end