* remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54230 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

enc/unicode/case-folding.rb

@@ -246,7 +246,7 @@ class CaseMapping
         if item.code == item.title
           flags += '|IT'
         end
-        
+
       end
       unless item.lower.nil? or item.lower==from or item.lower==to
         specials << item.lower