CACreateCert: correct wording about self-signed combo certs
CACreateCert: correct wording about self-signed combo certs

It's still mumbo jumbo, but at least it's not a sentence
fragment anymore.

Signed-off-by: Kyle J. McKay <8d4c9325a583512e625dc42829126e323c089b30@gmail.com>

mackyle/ezcert,mackyle/ezcert