Fix RUBY_REVISION spec
Fix RUBY_REVISION spec

broken by 5da52d1210625fb00acd573b3f32281b4bde1730

eregon/rubyspec,nobu/rubyspec,ruby/spec,eregon/rubyspec,nobu/rubyspec,ruby/spec,ruby/spec,nobu/rubyspec,eregon/rubyspec