Allow NSS to be built with NO_NSPR_10_SUPPORT.

nss/lib/softoken/padbuf.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 "blapit.h"
 #include "secport.h"
 #include "secerr.h"
 
 /*
  * Prepare a buffer for any padded CBC encryption algorithm, growing to the 
  * appropriate boundary and filling with the appropriate padding.
  * blockSize must be a power of 2.
  *
  * NOTE: If arena is non-NULL, we re-allocate from there, otherwise
  * we assume (and use) XP memory (re)allocation.
  */
 unsigned char *
-CBC_PadBuffer(PRArenaPool *arena, unsigned char *inbuf, unsigned int inlen,
+CBC_PadBuffer(PLArenaPool *arena, unsigned char *inbuf, unsigned int inlen,
               unsigned int *outlen, int blockSize)
 {
     unsigned char *outbuf;
     unsigned int   des_len;
     unsigned int   i;
     unsigned char  des_pad_len;
 
     /*
      * We need from 1 to blockSize bytes -- we *always* grow.
      * The extra bytes contain the value of the length of the padding:
@@ skipping 12 matching lines @@
         return NULL;
     }
 
     des_pad_len = des_len - inlen;
     for (i = inlen; i < des_len; i++)
         outbuf[i] = des_pad_len;
 
     *outlen = des_len;
     return outbuf;
 }