Nginx Rate limiting for HTTPS requests

[rickGsp]

>>Quick and dirty patch below. It is expected to work fine on 
>>systems with monotonic clocks available, but may need more work to 
>>handle time changes on systems without monotonic clocks.
[..]

Thanks Maxim, I will build from source by incorporating the patch and give a
try. I hope real fix will be available 
in Nginx official release sometime in near future.

Posted at Nginx Forum: https://forum.nginx.org/read.php?2,279802,279959#msg-279959