This is only necessary if we use stdout fd.
function old new delta
less_exit 32 51 +19
less_main 2540 2543 +3
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 22/0) Total: 22 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>