replace ruby.exe to ruby at bin/ files

git-svn-id: http://svn.redmine.org/redmine/trunk@13652 e93f8b46-1217-0410-a6f0-8f06a7374b81

bin/bundle

@@ -1,3 +1,3 @@
-#!/usr/bin/env ruby.exe
+#!/usr/bin/env ruby
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 load Gem.bin_path('bundler', 'bundle')

bin/rails

@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby.exe
+#!/usr/bin/env ruby
 APP_PATH = File.expand_path('../../config/application',  __FILE__)
 require_relative '../config/boot'
 require 'rails/commands'

bin/rake

@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby.exe
+#!/usr/bin/env ruby
 require_relative '../config/boot'
 require 'rake'
 Rake.application.run