* ext/tk/sample/ttk_wrapper.rb: minor bug fix.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15850 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/tk/sample/ttk_wrapper.rb

@@ -134,7 +134,7 @@ ThemesList.uniq!
 #  set theme of widget style
 ##########################################################################
 if OPTS[:list] || OPTS[:verbose]
-  print "supported theme names: #{ThemesList}\n" 
+  print "supported theme names: #{ThemesList.inspect}\n" 
   exit if OPTS[:list] && ARGV.empty?
 end
 print "use theme: \"#{OPTS[:theme]}\"\n" if OPTS[:theme] && OPTS[:verbose]