cipher: Change the bounds for RSA key generation round.
* cipher/rsa.c (generate_fips): Use 10 for p, 20 for q.
Applied the master commit of:
cd30ed3c0d715aa0c58a32a29cfb1476163a5b94
Constants from FIPS 186-5-draft.
- GnuPG-bug-id: T5919
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>