Changed pcre URL to one from sourceforge instead of my dropbox.

packages/pcre.rb

@@ -2,7 +2,7 @@ require 'package'
 
 class Pcre < Package
   version '8.39'
-  source_url 'https://dl.dropboxusercontent.com/u/14799278/crew/pcre-8.39.tar.gz' # software source tarball url
+  source_url 'http://downloads.sourceforge.net/pcre/pcre-8.39.tar.bz2' # software source tarball url
   source_sha1 'b3aec1f643d9701841e2f9d57ac121a7ff448fc8'                  # source tarball sha1 sum
   
   def self.build                                                  # self.build contains commands needed to build the software from source