Merged with the default branch.

diff --cc src/event/ngx_event_openssl.c
Simple merge

diff --cc src/event/ngx_event_openssl.h
Simple merge

diff --cc src/http/modules/ngx_http_ssl_module.c
Simple merge

diff --cc src/http/ngx_http_request.c
Simple merge

diff --cc src/http/ngx_http_request.h
Simple merge

diff --cc src/http/ngx_http_request_body.c
Simple merge

diff --cc src/http/ngx_http_upstream.c
Simple merge