TLS gmplib.org

[hello at seby.io]

Hi, 

I tried to download gmp from you server but the TLS configuration sends an expired cert as an intermediate. wget sometimes errors:

	$ wget https://gmplib.org/download/gmp/gmp-6.1.2.tar.lz
	--2020-06-08 06:31:34--  https://gmplib.org/download/gmp/gmp-6.1.2.tar.lz
	Resolving gmplib.org (gmplib.org)… 130.242.124.102
	Connecting to gmplib.org (gmplib.org)|130.242.124.102|:443... connected.
	ERROR: The certificate of ‘gmplib.org’ is not trusted.
	ERROR: The certificate of ‘gmplib.org’ has expired.

https://www.ssllabs.com/ssltest/analyze.html?d=gmplib.org

> USERTrust RSA Certification Authority 
> Fingerprint SHA256: 1a5174980a294a528a110726d5855650266c48d9883bea692b67b6d726da98c5
> Pin SHA256: x4QzPSC810K5/cMjb05Qm4k3Bw5zBn4lTdO/nEW/Td4=
> Valid until	Sat, 30 May 2020 10:48:38 UTC (expired 8 days, 13 hours ago)   EXPIRED