gpg: Change default cipher for --symmetric from CAST5 to AES-128.
* g10/main.h (DEFAULT_CIPHER_ALGO): Change to AES or CAST5 or 3DES depending on configure options. * g10/gpg.c (main): Set opt.s2k_cipher_algo to DEFAULT_CIPHER_ALGO.
(cherry picked from commit 57df1121c18b004dd763b35eabf7b51fc9e8ec38)
- Signed-off-by: Werner Koch <wk@gnupg.org>