[ruby-cvs:79015] fe158e4c65 (master): Do not doubly build on trunk

"Takashi Kokubun" <[email protected]> Tue, 31 Dec 2019 16:23:37 +0900 (JST)

Newsgroups	gmane.comp.lang.ruby.cvs
Message-ID	<[email protected]>

Takashi Kokubun	2019-12-31 16:23:25 +0900 (Tue, 31 Dec 2019)

  New Revision: fe158e4c65

  https://github.com/ruby/ruby/commit/fe158e4c65

  Log:
    Do not doubly build on trunk

  Modified files:
    .github/workflows/mingw.yml