* remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53760 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

enc/unicode/case-folding.rb

@@ -200,7 +200,7 @@ if $0 == __FILE__
     filename = File.expand_path("CaseFolding.txt", mapping_directory)
   end
   filename ||= ARGV[0] || 'CaseFolding.txt'
-  
+
   data = CaseFolding.load(filename)
   if dest
     open(dest, "wb") do |f|