Pullup ticket #4186 - requested by taca
x11/ruby-tk: build fix

Revisions pulled up:
- lang/ruby193-base/distinfo                                    1.24
- lang/ruby193-base/patches/patch-ext_tk_extconf.rb             1.1

---
   Module Name:	pkgsrc
   Committed By:	taca
   Date:		Fri Jul 19 15:32:58 UTC 2013

   Modified Files:
   	pkgsrc/lang/ruby193-base: distinfo
   Added Files:
   	pkgsrc/lang/ruby193-base/patches: patch-ext_tk_extconf.rb

   Log Message:
   Build fix for x11/ruby-tk package.  Reported by PR pkg/48064.
Pullup ticket #4186.