active_shipping.gemspec in active_shipping-1.0.0.pre3 vs active_shipping.gemspec in active_shipping-1.0.0.pre4

- old
+ new

@@ -1,6 +1,6 @@
 lib = File.expand_path('../lib/', __FILE__)
-$:.unshift lib unless $:.include?(lib)
+$:.unshift(lib) unless $:.include?(lib)
 
 require 'active_shipping/version'
 
 Gem::Specification.new do |s|
   s.name        = "active_shipping"