* benchmark/gc/gcbench.rb: fix typo of r43543

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43545 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

benchmark/gc/gcbench.rb

@@ -7,7 +7,7 @@ $gcprof = true
 
 opt = OptionParser.new
 opt.on('-q'){$list = false}
-opt.on('-d'){$gcprof = fales}
+opt.on('-d'){$gcprof = false}
 opt.parse!(ARGV)
 
 script = File.join(File.dirname(__FILE__), ARGV.shift)