Linux: fix compatibility with nss-3.15 .

net/third_party/nss/ssl/bodge/secitem_array.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/. */
 
 /*
  * Support routines for SECItemArray data structure.
  */
 
+#include "nssutil.h"
 #include "seccomon.h"
 #include "secitem.h"
 #include "secerr.h"
 #include "secport.h"
 
 typedef struct SECItemArrayStr SECItemArray;
 
+#define NSSUTIL_VERSION_NUM \
+    (NSSUTIL_VMAJOR * 10000 + NSSUTIL_VMINOR * 100 + NSSUTIL_VPATCH)
+#if NSSUTIL_VERSION_NUM < 31500
+// Added in NSS 3.15.
 struct SECItemArrayStr {
     SECItem *items;
     unsigned int len;
 };
+#endif
 
 SECItemArray *
 SECITEM_AllocArray(PLArenaPool *arena, SECItemArray *array, unsigned int len)
 {
     SECItemArray *result = NULL;
     void *mark = NULL;
 
     if (arena != NULL) {
         mark = PORT_ArenaMark(arena);
     }
@@ skipping 106 matching lines @@
         SECStatus rv = SECITEM_CopyItem(arena,
                                         &result->items[i], &from->items[i]);
         if (rv != SECSuccess) {
             SECITEM_ZfreeArray(result, PR_TRUE);
             return NULL;
         }
     }
 
     return result;
 }