cipher,tests: Consitent use of #if/#endif for algo selection.
* cipher/cipher.c: Use #if instead of #ifdef for algo. * cipher/mac-cmac.c: Likewise. * cipher/mac-hmac.c: Likewise. * cipher/mac-internal.h: Likewise. * cipher/mac.c: Likewise. * tests/basic.c: Likewise.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>