[ruby-cvs:70895] usa:r63804 (ruby_2_4): merge revision(s) 62513: [Backport #12762]

[usa at ruby-lang.org]

usa	2018-06-30 21:34:19 +0900 (Sat, 30 Jun 2018)

  New Revision: 63804

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63804

  Log:
    merge revision(s) 62513: [Backport #12762]
    
    Update url with 404 status on LEGAL file.
    
      * Update redirected and upstream url.
      * Added the Wayback Machine url for missing link.
    
      [Bug #12762][ruby-dev:49802]
    
    From: SHIBATA Hiroshi <hsbt at ruby-lang.org>

  Modified directories:
    branches/ruby_2_4/
  Modified files:
    branches/ruby_2_4/LEGAL
    branches/ruby_2_4/version.h