ghc-curl from home:ganeti project

For 16.0 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:ganeti/16.0/home:ganeti.repo
zypper refresh
zypper install ghc-curl

For 15.7 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:ganeti/15.7/home:ganeti.repo
zypper refresh
zypper install ghc-curl

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:ganeti/15.6/home:ganeti.repo
zypper refresh
zypper install ghc-curl