Fix warning: '/*' within block comment [-Wcomment]
Fix warning: '/*' within block comment [-Wcomment]

see https://github.com/liblouis/liblouis/issues/322

vsmontalvao/liblouis,liblouis/liblouis,vsmontalvao/liblouis,hammera/liblouis,hammera/liblouis,liblouis/liblouis,IndexBraille/liblouis,liblouis/liblouis,hammera/liblouis,liblouis/liblouis,vsmontalvao/liblouis,BueVest/liblouis,IndexBraille/liblouis,BueVest/liblouis,IndexBraille/liblouis,BueVest/liblouis,vsmontalvao/liblouis,BueVest/liblouis,BueVest/liblouis,vsmontalvao/liblouis,liblouis/liblouis,liblouis/liblouis,BueVest/liblouis,hammera/liblouis,hammera/liblouis,IndexBraille/liblouis,IndexBraille/liblouis,hammera/liblouis