* ext/extmk.rb: revert r36468. replacing NUL character is not necessary after

r36918,

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36920 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/extmk.rb

@@ -636,7 +636,6 @@ if $configure_only and $command_output
       w = w0 = name.size + 2
       h = " \\\n" + "\t" * (w / 8) + " " * (w % 8)
       values.each do |s|
-        s = s.tr("\0", " ")
         if s.size + w > max
           print h
           w = w0