[rancid] clogin commenting script commands following multiple blanks lines

[heasley]

Wed, Oct 24, 2018 at 09:19:31PM +0000, heasley:
> I missed that in your example, but noticed it in testing...after I sent that
> patch.  This is my final patch, i think.  I havent committed it yet, as I
> want to review it once more.

ok; committed.  Either the alpha tarball or the svn repo.  Welcome testers,
esp for palo alto, of which I have none.