BUG/MINOR: proxy: fix dyncookie_key leak on deinit()

proxy dyncookie_key wasn't cleaned up in free_proxy(), resulting in small
memory leak if "dynamic-cookie-key" was used on a regular or default
proxy.

It may be backported to all stable versions.

(cherry picked from commit 6f53df3fcfe3dc7220cff862d3ded1601f642931)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 6b16cfe38bfe5b9f953052109b70886721157608)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 3211ea28e32e9679628f36703f285f859528b22d)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed