setup: free old value before setting `work_tree`
commit13019979b811d26f4838d09331c7ddd8223d270d
authorMartin Ågren <martin.agren@gmail.com>
Tue, 22 Jan 2019 21:45:47 +0000 (22 22:45 +0100)
committerJunio C Hamano <gitster@pobox.com>
Wed, 23 Jan 2019 21:15:58 +0000 (23 13:15 -0800)
tree14e2bd13bf4e4e294a2b90c45f92115f6ca37964
parentecbdaf0899161c067986e9d9d564586d4b045d62
setup: free old value before setting `work_tree`

Before assigning to `data->work_tree` in `read_worktree_config()`, free
any value we might already have picked up, so that we do not leak it.

Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
setup.c