Added ns-fullscreen patch for emacs formula if running with "--cocoa" flag

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

Formula/emacs.rb

@@ -5,12 +5,13 @@ require 'formula'
 class Emacs <Formula
   url 'http://ftp.gnu.org/pub/gnu/emacs/emacs-23.2.tar.bz2'
   md5 '057a0379f2f6b85fb114d8c723c79ce2'
+  homepage 'http://www.gnu.org/software/emacs/'
+
   if ARGV.include? "--use-git-head"
     head 'git://repo.or.cz/emacs.git'
   else
     head 'bzr://http://bzr.savannah.gnu.org/r/emacs/trunk'
   end
-  homepage 'http://www.gnu.org/software/emacs/'
 
   def options
     [
@@ -20,6 +21,10 @@ class Emacs <Formula
     ]
   end
 
+  def patches
+    "http://github.com/downloads/typester/emacs/feature-fullscreen.patch" if ARGV.include? "--cocoa"
+  end
+
   def caveats
     s = ""
     if ARGV.include? "--cocoa"