Current script has a bug that overwrites symlink on
/etc/sysconfig/selinux by real file, the script not able to disable
SELinux because of it.
So keep symlink after modifying the file.
Fixes#2279
Signed-off-by: Takuya ASADA <syuu@scylladb.com>
Message-Id: <1493663263-10573-1-git-send-email-syuu@scylladb.com>