r8432: Fix #2077 - login to trusted domain doesn't allow home drive map and login

scripts to be executed.

We were filling in our name as the server which processed the login, even
when it was done by a trusted DC.

Thanks to John Janosik <jpjanosi@us.ibm.com> for the fix.

source/auth/auth_util.c

@@ -1327,6 +1327,9 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
 		return nt_status;
 	}
 
+	(*server_info)->login_server = unistr2_tdup(mem_ctx, 
+						    &(info3->uni_logon_srv));
+
 	(*server_info)->ptok = token; 
 
 	SAFE_FREE(lgroupSIDs);