iphlpapi: Also check the IP address family before treating it as an IPv6 one.

On my local network there is no IPv6 DNS servers, and sin6_family == AF_INET. Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

iphlpapi: Also check the IP address family before treating it as an IPv6 one.
b4d0e56c · Dmitry Timoshkov · Alexandre Julliard · acc44e5d · b4d0e56c
Commit b4d0e56c authored Feb 20, 2018 by Dmitry Timoshkov Committed by Alexandre Julliard Feb 20, 2018
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iphlpapi_main.c dlls/iphlpapi/iphlpapi_main.c +1 -1

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--- a/dlls/iphlpapi/iphlpapi_main.c
+++ b/dlls/iphlpapi/iphlpapi_main.c
@@ -1300,7 +1300,7 @@ static int get_dns_servers( SOCKADDR_STORAGE *servers, int num, BOOL ip4_only )
    for (i = 0, addr = servers; addr < (servers + num) && i < _res.nscount; i++)
    {
 #ifdef HAVE_STRUCT___RES_STATE__U__EXT_NSCOUNT6
-        if (_res._u._ext.nsaddrs[i])
+        if (_res._u._ext.nsaddrs[i] && _res._u._ext.nsaddrs[i]->sin6_family == AF_INET6)
        {
            if (ip4_only) continue;
            sockaddr_in6_to_WS_storage( addr, _res._u._ext.nsaddrs[i] );