gall: print on missing request for ack
:: cleared queue in +load 3-to-4 or +load-4-to-5
::
=? stand ?=(~ stand)
+ ~& [%gall-missing wire hen]
(~(put to *(qeu remote-request)) %missing)
~| [full-wire=full-wire hen=hen stand=stand]
=^ rr stand ~(get to stand)
