Fix building random-drbg for Win32/64
* random/random-drbg.c: Remove include for sys/types.h and asm/types.h. (DRBG_PREDICTION_RESIST, DRBG_CTRAES, DRBG_CTRSERPENT, DRBG_CTRTWOFISH) (DRBG_HASHSHA1, DRBG_HASHSHA224, DRBG_HASHSHA256, DRBG_HASHSHA384) (DRBG_HASHSHA512, DRBG_HMAC, DRBG_SYM128, DRBG_SYM192) (DRBG_SYM256): Change 'u_int32_t' to 'u32'. (drbg_get_entropy) [USE_RNDUNIX, USE_RNDW32]: Fix parameters 'drbg_read_cb' and 'len'.
- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>