RxRPC: Fix v1 keys

[David Howells]

Anton Blanchard <anton at au1.ibm.com> wrote:

> commit 339412841d7 (RxRPC: Allow key payloads to be passed in XDR form)
> broke klog for me. I notice the v1 key struct had a kif_version field
> added:

Hmmm...  I published a new version of klog at the same time, so just removing
kif_version will break that:-/

I'll have to come up with a way of detecting which you're doing.  But first, I
need to attempt to resuscitate my OpenAFS server.

David