Outdated git cloning instructions

http://www.deater.net/weave/vmwprod/linux_logo/ says:
> You can check out a version with this command:
> 
>     git clone git://github.com/deater/linux_logo linux_logo.git

But this no longer works, because GitHub has dropped support for the git:// protocol:
https://github.blog/changelog/2022-03-15-removed-unencrypted-git-protocol-and-certain-ssh-keys/

Please use `https://` instead of `git://`.