[imp] PATCH - PGP question

[Rick Emery]

Quoting Chris Hastie <lists at oak-wood.co.uk>:

> OK, here it is, usual I'm-not-a-programmer-I'm-a-jumped-up-tree-surgeon
> caveats apply.
> 
> Basically a new function in imp/lib/PGP.php, clumsily called
> getSignersFingerprint(), will take as input a PGP signed text block (not
> a detached signature) and returns the short fingerprint.
> 
> This is called from verifySignature() if the value of $signature is
> empty. At the same time a pointless call to pgpPacketInformation() with
> an empty string as argument is avoided.
> 
> The process means that a getPublicKey() is given a fingerprint as
> argument and is thus able to retrieve the key from the key server.
> --
> Chris Hastie

I'm not a pgp guru so I don't really understand what it does, but this patch
fixed the specific message I was having a problem with and didn't break any that
already worked, so THANKS!

Rick