Update NSS to NSS_3_15_BETA2.

nss/lib/util/dersubr.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/. */
 
 #include "secder.h"
 #include <limits.h>
 #include "secerr.h"
 
 int
 DER_LengthLength(PRUint32 len)
@@ skipping 158 matching lines @@
     PORT_Memcpy(it->data, bb + (sizeof(bb) - len), len);
 
     return SECSuccess;
 }
 
 /*
 ** Convert a der encoded *signed* integer into a machine integral value.
 ** If an underflow/overflow occurs, sets error code and returns min/max.
 */
 long
-DER_GetInteger(SECItem *it)
+DER_GetInteger(const SECItem *it)
 {
     long ival = 0;
     unsigned len = it->len;
     unsigned char *cp = it->data;
     unsigned long overflow = 0x1ffUL << (((sizeof(ival) - 1) * 8) - 1);
     unsigned long ofloinit;
 
     PORT_Assert(len);
     if (!len) {
         PORT_SetError(SEC_ERROR_INPUT_LEN);
@@ skipping 47 matching lines @@
         if (ival & overflow) {
             PORT_SetError(SEC_ERROR_BAD_DER);
             return ULONG_MAX;
         }
         ival = ival << 8;
         ival |= *cp++;
         --len;
     }
     return ival;
 }