const-time: Use ct_not_memequal, instead. Tested with AVR.
* cipher/rsa-common.c (_gcry_rsa_oaep_decode): Use ct_not_memequal. * src/const-time.c (ct_not_memequal): Use ct_not_equal_byte. * src/const-time.h (ct_not_memequal): Rename from ct_memequal.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>