ANTLR: Upgrade to version 3.4

Closes Homebrew/homebrew#7324.

Signed-off-by: Charlie Sharpsteen <source@sharpsteen.net>

Formula/antlr.rb

@@ -1,16 +1,16 @@
 require 'formula'
 
 class Antlr < Formula
-  url "http://www.antlr.org/download/antlr-3.3-complete.jar"
-  version '3.3'
+  url "http://www.antlr.org/download/antlr-3.4-complete.jar"
+  version '3.4'
   homepage 'http://www.antlr.org/'
-  md5 '238becce7da69f7be5c5b8a65558cf63'
+  md5 '1b91dea1c7d480b3223f7c8a9aa0e172'
 
   def install
-    prefix.install "antlr-3.3-complete.jar"
-    (bin+"antlr-3.3").write <<-EOS.undent
+    prefix.install "antlr-3.4-complete.jar"
+    (bin+"antlr-3.4").write <<-EOS.undent
     #!/bin/sh
-    java -jar #{prefix}/antlr-3.3-complete.jar "$@"
+    java -jar #{prefix}/antlr-3.4-complete.jar "$@"
     EOS
   end
 end