in_serial: Restore termios before exiting.
in_serial: Restore termios before exiting.

Signed-off-by: Takeshi HASEGAWA <80595b5c49522665976d35e515d02ac963124d00@gmail.com>

LogInsight/fluent-bit,nokute78/fluent-bit,hasegaw/fluent-bit,nokute78/fluent-bit,pandax381/fluent-bit,hasegaw/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,LogInsight/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,viirya/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,hasegaw/fluent-bit,viirya/fluent-bit,pandax381/fluent-bit,nokute78/fluent-bit,viirya/fluent-bit,hasegaw/fluent-bit,LogInsight/fluent-bit,nokute78/fluent-bit,LogInsight/fluent-bit,hasegaw/fluent-bit,takahasi/fluent-bit,hasegaw/fluent-bit,takahasi/fluent-bit,takahasi/fluent-bit,LogInsight/fluent-bit,takahasi/fluent-bit,takahasi/fluent-bit,fluent/fluent-bit,viirya/fluent-bit,LogInsight/fluent-bit,pandax381/fluent-bit,viirya/fluent-bit,pandax381/fluent-bit,nokute78/fluent-bit,takahasi/fluent-bit,fluent/fluent-bit,nokute78/fluent-bit,pandax381/fluent-bit,viirya/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,takahasi/fluent-bit,viirya/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,takahasi/fluent-bit,fluent/fluent-bit,pandax381/fluent-bit,fluent/fluent-bit,viirya/fluent-bit,LogInsight/fluent-bit,nokute78/fluent-bit,hasegaw/fluent-bit,LogInsight/fluent-bit,pandax381/fluent-bit,pandax381/fluent-bit,nokute78/fluent-bit,hasegaw/fluent-bit