Update NSS to 3.21 RTM and NSPR to 4.11 RTM

nss/lib/freebl/mpi/mpi.h

 /*
  *  mpi.h
  *
  *  Arbitrary precision integer arithmetic library
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #ifndef _H_MPI_
@@ skipping 240 matching lines @@
 #define mp_tobinary(M, S)  mp_toradix((M), (S), 2)
 #define mp_tooctal(M, S)   mp_toradix((M), (S), 8)
 #define mp_todecimal(M, S) mp_toradix((M), (S), 10)
 #define mp_tohex(M, S)     mp_toradix((M), (S), 16)
 
 /* Error strings           */
 const  char  *mp_strerror(mp_err ec);
 
 /* Octet string conversion functions */
 mp_err mp_read_unsigned_octets(mp_int *mp, const unsigned char *str, mp_size len);
-int    mp_unsigned_octet_size(const mp_int *mp);
+unsigned int mp_unsigned_octet_size(const mp_int *mp);
 mp_err mp_to_unsigned_octets(const mp_int *mp, unsigned char *str, mp_size maxlen);
 mp_err mp_to_signed_octets(const mp_int *mp, unsigned char *str, mp_size maxlen);
 mp_err mp_to_fixlen_octets(const mp_int *mp, unsigned char *str, mp_size len);
 
 /* Miscellaneous */
 mp_size mp_trailing_zeros(const mp_int *mp);
 void freebl_cpuid(unsigned long op, unsigned long *eax,
                          unsigned long *ebx, unsigned long *ecx,
                          unsigned long *edx);
 
@@ skipping 19 matching lines @@
 #define  ARGCHK(X,Y)  {if(!(X)){return (Y);}}
 #elif MP_ARGCHK == 2
 #include <assert.h>
 #define  ARGCHK(X,Y)  assert(X)
 #else
 #define  ARGCHK(X,Y)  /*  */
 #endif
 #endif /* defined MP_API_COMPATIBLE */
 
 #endif /* end _H_MPI_ */