liblinebreak: import from openembedded classic, version 1.2

* The License was verified and LIC_FILES_CHKSUM was added
* OE-classic commit 9d612c4bb9bef813bdef9e198efc5949d51905eb

Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>