Fix building with x86-64 medium and large memory models
* cipher/cast5-amd64.S [HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS] (GET_EXTERN_POINTER): Load 64-bit address instead of 32-bit. * cipher/rijndael.c (do_encrypt, do_decrypt) [USE_AMD64_ASM && !HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS]: Load table pointer through register instead of generic reference.
- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>