compare-xml.gemspec in compare-xml-0.65 vs compare-xml.gemspec in compare-xml-0.66

@@ -1,5 +1,5 @@
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'compare-xml/version'
 
 Gem::Specification.new do |spec|
   spec.name          = 'compare-xml'