* cipher/bulkhelp.h (bulk_crypt_fn_t): Make 'ctx' non-constant and
change 'num_blks' from 'unsigned int' to 'size_t'.
* cipher/camellia-glue.c (camellia_encrypt_blk1_32)
(camellia_encrypt_blk1_64, camellia_decrypt_blk1_32)
(camellia_decrypt_blk1_64): Adjust to match 'bulk_crypt_fn_t'.
* cipher/serpent.c (serpent_crypt_blk1_16, serpent_encrypt_blk1_16)
(serpent_decrypt_blk1_16): Likewise.
* cipher/sm4.c (crypt_blk1_16_fn_t, _gcry_sm4_aesni_avx_crypt_blk1_8)
(sm4_aesni_avx_crypt_blk1_16, _gcry_sm4_aesni_avx2_crypt_blk1_16)
(sm4_aesni_avx2_crypt_blk1_16, _gcry_sm4_gfni_avx2_crypt_blk1_16)
(sm4_gfni_avx2_crypt_blk1_16, _gcry_sm4_gfni_avx512_crypt_blk1_16)
(_gcry_sm4_gfni_avx512_crypt_blk32, sm4_gfni_avx512_crypt_blk1_16)
(_gcry_sm4_aarch64_crypt_blk1_8, sm4_aarch64_crypt_blk1_16)
(_gcry_sm4_armv8_ce_crypt_blk1_8, sm4_armv8_ce_crypt_blk1_16)
(_gcry_sm4_armv9_sve_ce_crypt, sm4_armv9_sve_ce_crypt_blk1_16)
(sm4_crypt_blocks, sm4_crypt_blk1_32, sm4_encrypt_blk1_32)
(sm4_decrypt_blk1_32): Likewise.
* cipher/twofish.c (twofish_crypt_blk1_16, twofish_encrypt_blk1_16)
(twofish_decrypt_blk1_16): Likewise.