bits from the system RNG, and use it for the very first RNG_RandomUpdate call in rng_init so that we initialize the RNG's XKEY with high quality entropy. r=jpierre,relyea. Modified Files: os2_rand.c prng_fips1861.c secrng.h unix_rand.c win_rand.c git-svn-id: svn://10.0.0.236/trunk@213528 18797224-902f-48f8-a5cc-f745e15eee43