r173959 - Fix r173881 to properly skip invalid UTF-8 characters in raw lexing and -E.

[Jordan Rose]

Whoops, thanks, Sean.

On Jan 30, 2013, at 11:25 , Sean Silva <silvas at purdue.edu> wrote:

> // Note: this file contains invalid UTF-8 before the variable name in the
> // next line. Please do not fix!
> 
> Please update this comment. There's now more than just the invalid
> utf-8 in the next line.
> 
> -- Sean Silva