[ruby-cvs:70629] nobu:r63538 (trunk): fix the condition

[nobu at ruby-lang.org]

nobu	2018-05-31 16:10:39 +0900 (Thu, 31 May 2018)

  New Revision: 63538

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63538

  Log:
    fix the condition
    
    * test/ruby/test_rubyoptions.rb: Process.wait with WNOHANG returns
      nil while the target process is alive.

  Modified files:
    trunk/test/ruby/test_rubyoptions.rb