Hans Leidekker : rpcrt4: Accept NULL server principal name in RpcBindingSetAuthInfoExA.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4557e50575c251a656a968add5aa4e3abfcb53e7
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4557e50575c251a656a968add5aa4e3abfcb53e7

Author: Hans Leidekker <hans at codeweavers.com>
Date:   Tue Aug 20 12:53:30 2013 +0200

rpcrt4: Accept NULL server principal name in RpcBindingSetAuthInfoExA.

---

 dlls/rpcrt4/rpc_binding.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/rpcrt4/rpc_binding.c b/dlls/rpcrt4/rpc_binding.c
index 8152f87..e575e65 100644
--- a/dlls/rpcrt4/rpc_binding.c
+++ b/dlls/rpcrt4/rpc_binding.c
@@ -1729,7 +1729,7 @@ RpcBindingSetAuthInfoExA( RPC_BINDING_HANDLE Binding, RPC_CSTR ServerPrincName,
     if (r == RPC_S_OK)
     {
       new_auth_info->server_principal_name = RPCRT4_strdupAtoW((char *)ServerPrincName);
-      if (new_auth_info->server_principal_name)
+      if (!ServerPrincName || new_auth_info->server_principal_name)
       {
         if (bind->AuthInfo) RpcAuthInfo_Release(bind->AuthInfo);
         bind->AuthInfo = new_auth_info;