clean.rb in dev-2.1.154

- old
+ new

@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 puts __FILE__ if defined?(DEBUG)
 
-require 'rake/clean'
+require "rake/clean"
 # Clean Files
-CLEAN.include('**/*.{sdf,sud,ncb,cache,user,wixobj,wixpdb,nupkg}')
+CLEAN.include("**/*.{sdf,sud,ncb,cache,user,wixobj,wixpdb,nupkg}")
 
 # Clean Folders
-CLEAN.include('obj') if File.exists?('obj')
-CLEAN.include('tmp') if File.exists?('tmp')
+CLEAN.include("obj") if File.exist?("obj")
+CLEAN.include("tmp") if File.exist?("tmp")