[ruby-cvs:68162] naruse:r60981 (trunk): Update dependencies

[naruse at ruby-lang.org]

naruse	2017-12-03 00:41:07 +0900 (Sun, 03 Dec 2017)

  New Revision: 60981

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=60981

  Log:
    Update dependencies

  Modified files:
    trunk/ext/-test-/string/depend