hush: drop allocations in re_execute_shell

function                                             old     new   delta
hush_main                                           1127    1138     +11
re_execute_shell                                     286     256     -30
clean_up_after_re_execute                             66      30     -36
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 11/-66)            Total: -55 bytes

1 file changed