fix String#ord monkeypatch

diff --git a/lib/sup/util.rb b/lib/sup/util.rb
index 8f60cc43216979aaa207696324f117ba7025cbdd..0609908d0d5be79a954673ff77778b5199146383 100644 (file)
--- a/lib/sup/util.rb
+++ b/lib/sup/util.rb
@@ -282,7 +282,7 @@ class String
     gsub(/\t/, "    ").gsub(/\r/, "")
   end
 
-  if not defined? ord
+  unless method_defined? :ord
     def ord
       self[0]
     end