Cast oid argument of gcry_cipher_set_sbox to disable compiler warning.
* src/gcrypt.h.in (gcry_cipher_set_sbox): Cast oid to (void *).
Backport of master commit: 1a67e3195896704f8b3ba09e3db1214bab834491
- Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>