mkmf.rb: fallback mkintpath

* lib/mkmf.rb (MakeMakefile#mkintpath): not a global function now.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37012 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Sep 23 21:42:22 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (MakeMakefile#mkintpath): not a global function now.
+
 Sun Sep 23 02:33:37 2012  Benoit Daloze  <eregontp@gmail.com>
 
 	* complex.c: Fix examples of r36993.

lib/mkmf.rb

@@ -1720,7 +1720,7 @@ SRC
       end
     end
   end
-  unless defined?(mkintpath)
+  unless method_defined?(:mkintpath)
     def mkintpath(path)
       path
     end