[ruby-cvs:78245] e1b2341488 (master): Update dependencies

Nobuyoshi Nakada	2019-08-07 23:22:06 +0900 (Wed, 07 Aug 2019)

  New Revision: e1b2341488

  https://github.com/ruby/ruby/commit/e1b2341488

  Log:
    Update dependencies

  Modified files:
    common.mk
    debug_counter.c
    enc/depend
    ext/-test-/bignum/depend
    ext/-test-/float/depend
    ext/-test-/integer/depend
    ext/-test-/postponed_job/depend
    ext/-test-/printf/depend
    ext/-test-/rational/depend
    ext/-test-/string/depend
    ext/-test-/thread_fd_close/depend
    ext/coverage/depend
    ext/fiber/depend
    ext/fiddle/depend
    ext/objspace/depend
    ext/psych/depend
    ext/readline/depend
    ext/ripper/depend
    ext/strscan/depend