Do not die if makeinfo isn't found
Do not die if makeinfo isn't found

just warn and disable the documentation building

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