[ruby-cvs:73636] naruse:r66532: Release branch of Ruby 2.6

[naruse at ruby-lang.org]

naruse	2018-12-25 07:13:36 +0900 (Tue, 25 Dec 2018)

  New Revision: 66532

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66532

  Log:
    Release branch of Ruby 2.6

  Added directories:
    branches/ruby_2_6/