SSL: fixed possible memory and file descriptor leak on HUP signal.
SSL: fixed possible memory and file descriptor leak on HUP signal.

The problem appeared in 386a06a22c40 (1.3.7).

Signed-off-by: Piotr Sikora <2c0eb4a25a7cde333ff2d0860cb06051925fd74f@cloudflare.com>

firebase/nginx,firebase/nginx,hy0kl/nginx,firebase/nginx,hy0kl/nginx,hy0kl/nginx,firebase/nginx