fr-bfu-g2.ctb: Add "system" field to metadata
fr-bfu-g2.ctb: Add "system" field to metadata

BueVest/liblouis,liblouis/liblouis,BueVest/liblouis,liblouis/liblouis,liblouis/liblouis,BueVest/liblouis,hammera/liblouis,BueVest/liblouis,BueVest/liblouis,liblouis/liblouis,liblouis/liblouis,hammera/liblouis,liblouis/liblouis,hammera/liblouis,hammera/liblouis,hammera/liblouis,hammera/liblouis,BueVest/liblouis