[exim] exiqgrep requires one "Selection criteria" in 4.96

Otherwise you just get the help message. This by design? As a workaround
I am just using this for now:

/usr/local/exim/bin/exiqgrep -o1
begin:vcard
fn:Patrick Boutilier
n:Boutilier;Patrick
org:;Nova Scotia Department of Education
adr:;;2021 Brunswick Street;Halifax;NS;B3K 2Y5;Canada
email;internet:boutilpj@???
title:WAN Communications Specialist
tel;work:902-424-6800
tel;fax:902-424-0874
version:2.1
end:vcard