* remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48412 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/net/imap.rb

@@ -2868,7 +2868,7 @@ module Net
             when T_NUMBER
               data.push(number)
             when T_LPAR
-              # TODO: include the MODSEQ value in a response 
+              # TODO: include the MODSEQ value in a response
               shift_token
               match(T_ATOM)
               match(T_SPACE)