BUG/MINOR: sink: free the forwarding task on exit

ASAN reported a small leak of the sink's forwarding task on exit.

This should be backported as far as 2.2.

(cherry picked from commit 09727ee201211df47a3158334e73a8346f599716)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit c5a51631a90846551271eebfaba24f763d88c55e)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit f2433e9ac2e42bcc4185598221005fafa6b9577a)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit fd46ba034d2a1c7fbd3b0cbd1e1333a9bd223491)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed