Added check for makeinfo version >= 5.0.
Added check for makeinfo version >= 5.0.

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