Fix translation of "graben"
Fix translation of "graben"

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