Update NSS to NSS_3_16_RC0.

nss/lib/freebl/arcfour.c

 /* arcfour.c - the arc four algorithm.
  *
  * 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/. */
 
 #ifdef FREEBL_NO_DEPEND
 #include "stubs.h"
 #endif
 
@@ skipping 12 matching lines @@
 #endif
 
 #if defined(AIX) || defined(OSF1) || defined(NSS_BEVAND_ARCFOUR)
 /* Treat array variables as words, not bytes, on CPUs that take 
  * much longer to write bytes than to write words, or when using 
  * assembler code that required it.
  */
 #define USE_WORD
 #endif
 
-#if (defined(IS_64))
+#if defined(IS_64) || defined(NSS_BEVAND_ARCFOUR)
 typedef PRUint64 WORD;
 #else
 typedef PRUint32 WORD;
 #endif
 #define WORDSIZE sizeof(WORD)
 
 #if defined(USE_WORD)
 typedef WORD Stype;
 #else
 typedef PRUint8 Stype;
@@ skipping 520 matching lines @@
         /* Convert the byte-stream to a word-stream */
         return rc4_wordconv(cx, output, outputLen, maxOutputLen, input, inputLen);
 #else
         /* Operate on bytes, but unroll the main loop */
         return rc4_unrolled(cx, output, outputLen, maxOutputLen, input, inputLen);
 #endif
 }
 
 #undef CONVERT_TO_WORDS
 #undef USE_WORD