libgitg-1_0-0 from GNOME:Next project

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

zypper addrepo https://download.opensuse.org/repositories/GNOME:Next/openSUSE_Factory/GNOME:Next.repo
zypper refresh
zypper install libgitg-1_0-0