LICENCE: change end-of-line code CRLF to LF

> wrong-file-end-of-line-encoding

rpmlint prefers unix style than dos
converted by sed -i 's/\r//g' LICENSE

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>