Fix a typo.

* template/unicode_norm_gen.tmpl: ouput -> output

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61791 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

template/unicode_norm_gen.tmpl

@@ -5,7 +5,7 @@
 # Script to generate Ruby data structures used in implementing
 # String#unicode_normalize,...
 
-# Constants for input and ouput directory
+# Constants for input and output directory
 InputDataDir = ARGV[0] || 'enc/unicode/data'
 unicode_version = InputDataDir[/.*\/(\d+\.\d+\.\d+)(?=\/|\z)/, 1]