Allow returnBlob and redirect in static protocol Both of these functions end up returning RETURN_INDIRECTLY, which is assumed to be an error by static.c's main. Treat it as success instead.

table t : {A : int, B : string}

task initialize = fn () => dml (UPDATE t SET A = A + 1 WHERE TRUE);
                     dml (UPDATE t SET B = 'q' WHERE TRUE)