[ruby-cvs:78577] c50d9dc67d (master): test/ruby/test_keywords.rb: suppress a warning

Yusuke Endoh	2019-12-10 11:26:22 +0900 (Tue, 10 Dec 2019)

  New Revision: c50d9dc67d

  https://github.com/ruby/ruby/commit/c50d9dc67d

  Log:
    test/ruby/test_keywords.rb: suppress a warning
    
    https://rubyci.org/logs/rubyci.s3.amazonaws.com/ubuntu1604/ruby-master/log/20191210T003005Z.log.html.gz
    ```
    .../test/ruby/test_keyword.rb:2711: warning: `*' interpreted as argument prefix
    ```

  Modified files:
    test/ruby/test_keyword.rb