Pathname: get rid of a -Wcomment warning [DOC]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/pathname/pathname.c

@@ -1083,7 +1083,7 @@ s_glob_i(RB_BLOCK_CALL_FUNC_ARGLIST(elt, klass))
 /*
  * Returns or yields Pathname objects.
  *
- *  Pathname.glob("config/*.rb")
+ *  Pathname.glob("config/?*.rb")
  *	#=> [#<Pathname:config/environment.rb>, #<Pathname:config/routes.rb>, ..]
  *
  * See Dir.glob.