kmsg01: fix test failure caused by not compiling it

We didn't compile and install this case, so this case will
fail by "No such file":

initiation_status="pan(26250): execvp of 'kmsg01' (tag kmsg01) failed.  errno:2  No such file or directory"

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Reviewed-by: Jan Stancek <jstancek@redhat.com>
xinetd/xinetd_tests.sh: clean up tabs

replace tabs with 4 spaces.
The echo <<-EOF lines become no indentation.

Signed-off-by: Xie Lingyun <lingyun.xie@bj.cs2c.com.cn>
Reviewed-by: Caspar Zhang <caspar@casparzhang.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
xinetd/xinetd_tests.sh: add IPv6 test for xinetd

If IPv6 is enabled, telnet ::1 will be tested. Otherwise, IPv4 only.
The IPv6 test will be executed first and give a separate result.

Signed-off-by: Xie Lingyun <lingyun.xie@bj.cs2c.com.cn>
Reviewed-by: Caspar Zhang <caspar@casparzhang.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>