tracking_number.gemspec in tracking_number-1.0.6 vs tracking_number.gemspec in tracking_number-1.0.7

@@ -1,6 +1,7 @@
-# -*- encoding: utf-8 -*-
-$:.push File.expand_path("../lib", __FILE__)
+# encoding: utf-8
+lib = File.expand_path("../lib", __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "tracking_number/version"
 
 Gem::Specification.new do |s|
   s.name = %q{tracking_number}
   s.version = TrackingNumber::VERSION