Add Signal.signame specs
Add Signal.signame specs

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