Update NSPR to 4.12 and NSS to 3.23 on iOS

nss/lib/freebl/blapit.h

 /*
  * blapit.h - public data structures for the freebl 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 _BLAPIT_H_
 #define _BLAPIT_H_
 
@@ skipping 223 matching lines @@
 typedef struct MD5ContextStr        MD5Context;
 typedef struct SHA1ContextStr       SHA1Context;
 typedef struct SHA256ContextStr     SHA256Context;
 /* SHA224Context is really a SHA256ContextStr.  This is not a mistake. */
 typedef struct SHA256ContextStr     SHA224Context;
 typedef struct SHA512ContextStr     SHA512Context;
 /* SHA384Context is really a SHA512ContextStr.  This is not a mistake. */
 typedef struct SHA512ContextStr     SHA384Context;
 typedef struct AESKeyWrapContextStr AESKeyWrapContext;
 typedef struct SEEDContextStr       SEEDContext;        
-typedef struct ChaCha20Poly1305ContextStr ChaCha20Poly1305Context;      
+typedef struct ChaCha20Poly1305ContextStr ChaCha20Poly1305Context;
 
 /***************************************************************************
 ** RSA Public and Private Key structures
 */
 
 /* member names from PKCS#1, section 7.1 */
 struct RSAPublicKeyStr {
     PLArenaPool * arena;
     SECItem modulus;
     SECItem publicExponent;
@@ skipping 160 matching lines @@
                                    int, 
                                    unsigned int ,
                                    unsigned int );
 typedef SECStatus (*BLapiEncrypt)(void *cx, unsigned char *output,
                                 unsigned int *outputLen, 
                                 unsigned int maxOutputLen,
                                 const unsigned char *input, 
                                 unsigned int inputLen);
 
 #endif /* _BLAPIT_H_ */