Comment 18 for bug 1572122

Contents of Andreas_Schneider patch to srv_pipe.c to fix the regression verifying the security trailer, taken from https://git.samba.org/?p=asn/samba.git;a=commitdiff;h=82fa625540abf8b8ec23d43c41e2ca906a9928a5;hp=ea6f2386611d0a4edd65962a59b3448be976c1bb

--- a/source3/rpc_server/srv_pipe.c
+++ b/source3/rpc_server/srv_pipe.c
@@ -1552,7 +1552,6 @@ static bool srv_pipe_check_verification_trailer(struct pipes_struct *p,
 {
        TALLOC_CTX *frame = talloc_stackframe();
        struct dcerpc_sec_verification_trailer *vt = NULL;
- const uint32_t bitmask1 = 0;
        const struct dcerpc_sec_vt_pcontext pcontext = {
                .abstract_syntax = pipe_fns->syntax,
                .transfer_syntax = ndr_transfer_syntax,
@@ -1573,7 +1572,7 @@ static bool srv_pipe_check_verification_trailer(struct pipes_struct *p,
                goto done;
        }

- ret = dcerpc_sec_verification_trailer_check(vt, &bitmask1,
+ ret = dcerpc_sec_verification_trailer_check(vt, NULL,
                                                    &pcontext, &header2);
 done:
        TALLOC_FREE(frame);