Hyperlink redircts - 6 URLs that need updating

The link checker at http://validator.w3.org/checklink reports the following redirects:

Line: 6875 http://www.pcisig.com/ redirected to http://pcisig.com/ Status: 301 -> 200 OK

This is a permanent redirect. The link should be updated.

Lines: 55, 60, 63 http://www.redhat.com/ redirected to https://www.redhat.com/en Status: 301 -> 200 OK

This is a permanent redirect. The link should be updated.

Line: 21250 http://git.qemu-project.org/?p=qemu.git;a=blob;f=docs/specs/standard-vga.txt;hb=HEAD redirected to https://git.qemu.org/?p=qemu.git;a=blob;f=docs/specs/standard-vga.txt;hb=HEAD Status: 301 -> 200 OK

This is a permanent redirect. The link should be updated.

Line: 768 http://www.pcisig.com/specifications/pciexpress/ redirected to http://pcisig.com/specifications/pciexpress/ Status: 301 -> 200 OK

This is a permanent redirect. The link should be updated.

Line: https://www.oasis-open.org/policies-guidelines/tc-process redirected to https://www.oasis-open.org/policies-guidelines/tc-process-2017-05-26 Status: 301 -> 200 OK

This is a permanent redirect. The link should be updated.

Line: 759 http://www.pcisig.com/specifications/conventional/ redirected to http://pcisig.com/specifications/conventional/ Status: 301 -> 200 OK

This is a permanent redirect. The link should be updated.

Update the links indicated and re-check with http://validator.w3.org/checklink