curl from home:ganeti project

对于 16.0，请以根用户 root 运行下面命令：

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

对于 15.7，请以根用户 root 运行下面命令：

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

对于 15.6，请以根用户 root 运行下面命令：

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