Allow NSS to be built with NO_NSPR_10_SUPPORT.

nss/lib/libpkix/pkix_pl_nss/pki/pkix_pl_x500name.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/. */
 /*
  * pkix_pl_x500name.h
  *
  * X500Name Object Type Definitions
  *
  */
 
 #ifndef _PKIX_PL_X500NAME_H
 #define _PKIX_PL_X500NAME_H
 
 #include "pkix_pl_common.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 
 struct PKIX_PL_X500NameStruct{
-        PRArenaPool *arena; /* X500Name arena. Shared arena with nssDN
+        PLArenaPool *arena; /* X500Name arena. Shared arena with nssDN
                              * and derName */
         CERTName nssDN;
         SECItem derName;    /* adding DER encoded CERTName to the structure
                              * to avoid unnecessary name encoding when pass
                              * der name to cert finder */
 };
 
 /* see source file for function documentation */
 
 PKIX_Error *pkix_pl_X500Name_RegisterSelf(void *plContext);
 
 PKIX_Error *pkix_pl_X500Name_GetDERName(
         PKIX_PL_X500Name *xname,
-        PRArenaPool *arena,
+        PLArenaPool *arena,
         SECItem **pSECName,
         void *plContext);
 
 #ifdef BUILD_LIBPKIX_TESTS
 PKIX_Error * pkix_pl_X500Name_CreateFromUtf8(
         char *stringRep,
         PKIX_PL_X500Name **pName,
         void *plContext);
 #endif /* BUILD_LIBPKIX_TESTS */
 
@@ skipping 18 matching lines @@
 pkix_pl_X500Name_GetCERTName(
         PKIX_PL_X500Name *xname,
         CERTName **pCERTName,
         void *plContext);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* _PKIX_PL_X500NAME_H */