navit: Fix license format QA error

Fix following QA error:

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| WARNING: Recipe navit, LICENSE (GPLv2 LGPLv2) 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>