Outdated variable name in comment

[fhinkel]

In node.cc:EnvSetter(), a comment mentions rval. But there's no variable of that name.

[reza-ryte-club]

Do you mean this lines ?

// Whether it worked or not, always return rval.
      info.GetReturnValue().Set(value);

[gibfahn]

Yep, looks like https://github.com/nodejs/node/blob/master/src/node.cc#L2714