Fix building with a pre C99 compiler.
* cipher/cipher-cfb.c (_gcry_cipher_cfb8_encrypt): Move the declaration of 'i' out of the loop. (_gcry_cipher_cfb8_decrypt): Likewise.
Fixes build on OpenBSD.
- Fixes-commit: d1ee9a660571ce4a998c9ab2299d4f2419f99127
- Signed-off-by: Justus Winter <justus@g10code.com>