Log message:
Pullup ticket #4897 - requested by taca
devel/ruby-debugger-ruby_core_source: build fix

Revisions pulled up:
- devel/ruby-debugger-ruby_core_source/Makefile                 1.6
- devel/ruby-debugger-ruby_core_source/PLIST                    1.2

---
   Module Name:    pkgsrc
   Committed By:   taca
   Date:           Sun Dec 27 12:07:40 UTC 2015

   Modified Files:
           pkgsrc/devel/ruby-debugger-ruby_core_source: Makefile PLIST

   Log message:
   Force to support new Ruby 2.0 and drop ruby21 support.

   Bump PKGREVISION.