cups-client from Printing project

对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Printing/openSUSE_Tumbleweed/Printing.repo
zypper refresh
zypper install cups-client

对于 16.0，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Printing/16.0/Printing.repo
zypper refresh
zypper install cups-client

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Printing/15.6/Printing.repo
zypper refresh
zypper install cups-client

对于 15.5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Printing/15.5/Printing.repo
zypper refresh
zypper install cups-client

对于 SLE 15 SP3，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Printing/SLE_15_SP3/Printing.repo
zypper refresh
zypper install cups-client

对于 SLE 12 SP5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Printing/SLE_12_SP5/Printing.repo
zypper refresh
zypper install cups-client