fixed some bugs

lib/msf/util/helper.rb

@@ -17,3 +17,5 @@ class Helper
     return nil
   end
 end
+end
+end

metasploit-framework.gemspec

@@ -13,6 +13,7 @@ end
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'metasploit/framework/version'
 require 'metasploit/framework/rails_version_constraint'
+require 'msf/util/helper'
 
 Gem::Specification.new do |spec|
   spec.name          = 'metasploit-framework'