openssl: don't define SIXTY_FOUR_BIT_LONG on Windows
openssl: don't define SIXTY_FOUR_BIT_LONG on Windows

On Windows (and potentially other LP64 platforms), a long integer is
always 32-bits, even when the target architecture uses 64-bit pointers.

Signed-off-by: Bert Belder <9f2ff180696da386c1be31b4507155616db25dc6@gmail.com>

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node