Modify encrypt/decrypt arguments for in-place
* cipher/cipher.c (gcry_cipher_encrypt, gcry_cipher_decrypt): Modify local arguments if in-place operation.
Modify encrypt/decrypt argument variables instead of calling subfunction with
different arguments. This allows compiler to inline the subfunction for small
speedup.
- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>