ttf-sazanami: Fix license format QA error

Fix following QA error:

,----
| WARNING: Recipe ttf-sazanami, LICENSE (Public domain) has invalid
|     format, LICENSES must have operator "([&|() ])" between them.
`----

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>