Update NSPR to 4.12 and NSS to 3.23 on iOS

nss/lib/certdb/xconst.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/. */
 #ifndef _XCONST_H_
 #define _XCONST_H_
 
 #include "certt.h"
 
 typedef struct CERTAltNameEncodedContextStr {
     SECItem **encodedGenName;
 } CERTAltNameEncodedContext;
 
-
-
 SEC_BEGIN_PROTOS
 
-extern SECStatus
-CERT_EncodePrivateKeyUsagePeriod(PLArenaPool *arena,
-                                CERTPrivKeyUsagePeriod *pkup,
-                                SECItem *encodedValue);
+extern SECStatus CERT_EncodePrivateKeyUsagePeriod(PLArenaPool *arena,
+                                                  CERTPrivKeyUsagePeriod *pkup,
+                                                  SECItem *encodedValue);
 
-extern SECStatus
-CERT_EncodeNameConstraintsExtension(PLArenaPool *arena,
-                                    CERTNameConstraints  *value,
-                                    SECItem *encodedValue);
+extern SECStatus CERT_EncodeNameConstraintsExtension(PLArenaPool *arena,
+                                                     CERTNameConstraints *value,
+                                                     SECItem *encodedValue);
 
-extern SECStatus 
-CERT_EncodeIA5TypeExtension(PLArenaPool *arena, char *value,
-                            SECItem *encodedValue);
+extern SECStatus CERT_EncodeIA5TypeExtension(PLArenaPool *arena, char *value,
+                                             SECItem *encodedValue);
 
-SECStatus
-cert_EncodeAuthInfoAccessExtension(PLArenaPool *arena,
-                                   CERTAuthInfoAccess **info,
-                                   SECItem *dest);
+SECStatus cert_EncodeAuthInfoAccessExtension(PLArenaPool *arena,
+                                             CERTAuthInfoAccess **info,
+                                             SECItem *dest);
 SEC_END_PROTOS
 #endif