libatomic1 from home:Thaodan:devel:gcc project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:Thaodan:devel:gcc/openSUSE_Tumbleweed/home:Thaodan:devel:gcc.repo
zypper refresh
zypper install libatomic1