ref: c3b30544e19f54020ddc364b02e5202bb465cec6
parent: fd1db35c4d429096b9aff1763f25de9e1711bf88
author: Ori Bernstein <ori@eigenstate.org>
date: Fri Jan 1 06:48:39 EST 2021
sort: fix memory leak (thanks Igor Boehm) Free the last line that we examine when looping through the lines in a file.