Update NSPR to 4.12 and NSS to 3.23 on iOS

nss/lib/libpkix/pkix/util/pkix_tools.h

 /* 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_tools.h
  *
  * Header for Utility Functions and Macros
  *
  */
 
@@ skipping 1440 matching lines @@
  * PKIX_ERRORCLASSNAMES is an array of strings, with each string holding a
  * descriptive name for an error code. This is used by the default
  * PKIX_PL_Error_ToString function.
  */
 extern const char *PKIX_ERRORCLASSNAMES[PKIX_NUMERRORCLASSES];
 
 #define MAX_STACK_DEPTH         1000
 
 extern PRLogModuleInfo *pkixLog;
 
-#define PKIX_MAGIC_HEADER           LL_INIT(0xFEEDC0FF, 0xEEFACADE)
-#define PKIX_MAGIC_HEADER_DESTROYED LL_INIT(0xBAADF00D, 0xDEADBEEF)
+#define PKIX_MAGIC_HEADER           PR_UINT64(0xFEEDC0FFEEFACADE)
+#define PKIX_MAGIC_HEADER_DESTROYED PR_UINT64(0xBAADF00DDEADBEEF)
 
 /* see source file for function documentation */
 
 PKIX_Error *
 pkix_IsCertSelfIssued(
         PKIX_PL_Cert *cert,
         PKIX_Boolean *pSelfIssued,
         void *plContext);
 
 PKIX_Error *
@@ skipping 106 matching lines @@
         const char *info, 
         PKIX_PL_Cert *cert, 
         void *plContext);
 #endif
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* _PKIX_TOOLS_H */