Bug 536023: Add (unsigned char *) casts to fix compiler warnings.
Bug 536023: Add (unsigned char *) casts to fix compiler warnings.

ekr/nss-old,nmav/nss,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss