Huw Davies : iphlpapi: Don' t set the dns server list if there are no servers.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5bfabee8cdb23bb3b8b5e9e6f3e4fc14a93972ef
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5bfabee8cdb23bb3b8b5e9e6f3e4fc14a93972ef

Author: Huw Davies <huw at codeweavers.com>
Date:   Tue Sep 10 14:19:58 2013 +0100

iphlpapi: Don't set the dns server list if there are no servers.

---

 dlls/iphlpapi/iphlpapi_main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/iphlpapi/iphlpapi_main.c b/dlls/iphlpapi/iphlpapi_main.c
index 837eb3d..670713f 100644
--- a/dlls/iphlpapi/iphlpapi_main.c
+++ b/dlls/iphlpapi/iphlpapi_main.c
@@ -1083,7 +1083,7 @@ ULONG WINAPI DECLSPEC_HOTPATCH GetAdaptersAddresses(ULONG family, ULONG flags, P
                 size = bytes_left -= size;
             }
         }
-        if (!(flags & GAA_FLAG_SKIP_DNS_SERVER))
+        if (!(flags & GAA_FLAG_SKIP_DNS_SERVER) && dns_server_size)
         {
             firstDns = (PIP_ADAPTER_DNS_SERVER_ADDRESS)((BYTE *)first_aa + total_size - dns_server_size - dns_suffix_size);
             get_dns_server_addresses(firstDns, &dns_server_size);