steghide from security:privacy project

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

zypper addrepo https://download.opensuse.org/repositories/security:privacy/openSUSE_Tumbleweed/security:privacy.repo
zypper refresh
zypper install steghide

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

zypper addrepo https://download.opensuse.org/repositories/security:privacy/openSUSE_Factory_zSystems/security:privacy.repo
zypper refresh
zypper install steghide

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/security:privacy/15.6/security:privacy.repo
zypper refresh
zypper install steghide

对于 SLE 15 SP6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/security:privacy/SLE_15_SP6/security:privacy.repo
zypper refresh
zypper install steghide