nvda

92d8487a - Update liblouis to version 3.9 (PR #9346)

Update liblouis to version 3.9 (PR #9346) Closes #9439 This updates liblouis to version 3.9 by simply updating the submodule. Liblouis 3.9 contains updates to several braille tables, including the German 8 dot table. It contains neither new nor removed tables. This will require testing by alpha users with braille displays.