akr	2014-10-15 18:57:17 +0900 (Wed, 15 Oct 2014)

  New Revision: 47940

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47940

  Log:
    Unused variable removed.

  Modified files:
    trunk/test/ruby/envutil.rb
Index: test/ruby/envutil.rb
===================================================================
--- test/ruby/envutil.rb	(revision 47939)
+++ test/ruby/envutil.rb	(revision 47940)
@@ -499,7 +499,6 @@ eom https://github.com/ruby/ruby/blob/trunk/test/ruby/envutil.rb#L499
                 expect_msg = "Expected #{mu_pp pattern}\n"
                 if /\n[^\n]+\n/ =~ rest
                   actual_mesg = "to match\n"
-                  prefix = "  "
                   rest.scan(/.*\n+/) {
                     actual_mesg << '  ' << $&.inspect << "+\n"
                   }

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