tail: code shrink

function                                             old     new   delta
tail_main                                           1548    1613     +65
tail_read                                            136      34    -102
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 65/-102)           Total: -37 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed