I think that these files have been saved as UTF8. They now builds just fine.
Czech Translation problem fixed
Polish Translation problem fixed.
Merge pull request #633 from opentx/dvogonen/OpenTX_-build_broken_in_next_632

Dvogonen/open tx  build broken in next 632
Merge branch 'next' into driver33/PL_translation
Add 2 lines of translation + some orto fixes