Fix format tweaks in copyright declarations

Signed-off-by: ChangZhuo Chen (陳昌倬) <czchen@gmail.com>
bopomofo: fix comment format tweak

Signed-off-by: ChangZhuo Chen (陳昌倬) <czchen@gmail.com>
chewingutil: fix comment format tweak

Signed-off-by: ChangZhuo Chen (陳昌倬) <czchen@gmail.com>
init_database: fix format tweaks

Signed-off-by: ChangZhuo Chen (陳昌倬) <czchen@gmail.com>
test-struct-size: uniform comment style

Signed-off-by: ChangZhuo Chen (陳昌倬) <czchen@gmail.com>
include: fix format tweaks in copyright declarations

Signed-off-by: ChangZhuo Chen (陳昌倬) <czchen@gmail.com>