Update NSS to 3.21 RTM and NSPR to 4.11 RTM

nss/lib/libpkix/pkix_pl_nss/pki/pkix_pl_crl.c

 /* 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/. */
 /*
  * pkix_pl_crl.c
  *
  * CRL Function Definitions
  *
  */
 
@@ skipping 333 matching lines @@
  *  Returns a CRL Error if the function fails in a non-fatal way.
  *  Returns a Fatal Error if the function fails in an unrecoverable way.
  */
 static PKIX_Error *
 pkix_pl_CRL_ToString_Helper(
         PKIX_PL_CRL *crl,
         PKIX_PL_String **pString,
         void *plContext)
 {
         char *asciiFormat = NULL;
-        PKIX_UInt32 crlVersion;
+        PKIX_UInt32 crlVersion = 0;
         PKIX_PL_X500Name *crlIssuer = NULL;
         PKIX_PL_OID *nssSignatureAlgId = NULL;
         PKIX_PL_BigInt *crlNumber = NULL;
         PKIX_List *crlEntryList = NULL;
         PKIX_List *critExtOIDs = NULL;
         PKIX_PL_String *formatString = NULL;
         PKIX_PL_String *crlIssuerString = NULL;
         PKIX_PL_String *lastUpdateString = NULL;
         PKIX_PL_String *nextUpdateString = NULL;
         PKIX_PL_String *nssSignatureAlgIdString = NULL;
@@ skipping 694 matching lines @@
                          void *plContext)
 {
     PKIX_ENTER(CRL, "PKIX_PL_CRL_AquireDerCrl");
     if (crl->adoptedDerCrl) {
         PKIX_ERROR(PKIX_CANNOTAQUIRECRLDER);
     }
     crl->adoptedDerCrl = derCrl;
 cleanup:        
     PKIX_RETURN(CRL);
 }