BUG/MINOR: ssl: init tmp chunk correctly in ssl_sock_load_sctl_from_file()

Use chunk_inistr() for a chunk initialisation in
ssl_sock_load_sctl_from_file() instead of a manual initialisation which
was not initialising head.

Fix issue #1073.

Must be backported as far as 2.2

(cherry picked from commit 8d67394f6915c6d2db40bc1e9593fd392827da8d)
Signed-off-by: Willy Tarreau <w@1wt.eu>
1 file changed