nl-g0_harness.yaml: put some strings in quotes
nl-g0_harness.yaml: put some strings in quotes

to fix syntax highlighting in Emacs.

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