may have ways of getting the request time without the extra syscall, but
for now let's just make sure we don't crash and people will eventually
fill these in where applicable.
calls.
Revert the change to the sapi_add_header_ex interface.
Fix various bugs:
1. header("HTTP/1.0 306 foo");
header("Location: absolute-uri");
did not work in combination with several SAPI modules, because
http_status_line was never properly reset. And thus, all SAPI
modules which looked at http_status_line ignored the changed
http_response_code.
2. The CGI SAPI did not send out the HTTP status line at all, if
http_status_line had not been set explicitly by calling
header("HTTP/1.0 200 foo");