adapt expectation for exit status after SIGKILL on Windows
adapt expectation for exit status after SIGKILL on Windows

ruby/spec,sgarciac/spec,ruby/rubyspec,eregon/rubyspec,kachick/rubyspec,nobu/rubyspec,kachick/rubyspec,sgarciac/spec,kachick/rubyspec,nobu/rubyspec,wied03/rubyspec,eregon/rubyspec,wied03/rubyspec,eregon/rubyspec,ruby/spec,sgarciac/spec,nobu/rubyspec,wied03/rubyspec,ruby/spec,ruby/rubyspec