Fix: require "pathname"

bin/ocran

@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby
 # -*- ruby -*-
 # encoding: UTF-8
-
+require "pathname"
 module Ocran
   IGNORE_MODULE_NAMES = /\A(enumerator.so|rational.so|complex.so|fiber.so|thread.rb|ruby2_keywords.rb)\z/
 
@@ -524,7 +524,6 @@ EOF
   end
 
   def Ocran.build_exe
-    require "pathname"
     require_relative "../lib/ocran/refine_pathname"
     ::Pathname.prepend(RefinePathname)
     all_load_paths = $LOAD_PATH.map { |loadpath| Pathname.new(loadpath).expand_path }