Update to NSPR 4.10.2.

nspr/pr/src/misc/prnetdb.c

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* 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 "primpl.h"
 
 #include <string.h>
 
 /*
@@ skipping 2245 matching lines @@
     PRNetAddr addrcopy;
 #endif
     int rv;  /* 0 for success, or the error code EAI_xxx */
 
 #ifdef _PR_INET6
     if (addr->raw.family == PR_AF_INET6)
     {
         md_af = AF_INET6;
 #ifndef _PR_HAVE_SOCKADDR_LEN
         addrcopy = *addr;
-        addrcopy.raw.family = AF_INET6;
+        addrcopy.raw.family = md_af;
         addrp = &addrcopy;
 #endif
     }
 #endif
 
     addrlen = PR_NETADDR_SIZE(addr);
 #ifdef _PR_HAVE_SOCKADDR_LEN
     addrcopy = *addr;
     ((struct sockaddr*)&addrcopy)->sa_len = addrlen;
     ((struct sockaddr*)&addrcopy)->sa_family = md_af;
@@ skipping 56 matching lines @@
 #if !defined(_PR_HAVE_GETADDRINFO)
     return pr_NetAddrToStringFB(addr, string, size);
 #else
 #if defined(_PR_INET6_PROBE)
     if (!_pr_ipv6_is_present())
         return pr_NetAddrToStringFB(addr, string, size);
 #endif
     return pr_NetAddrToStringGNI(addr, string, size);
 #endif
 }  /* PR_NetAddrToString */