gog-extract-mac: fix missing Extras dir bug

Signed-off-by: Christopher Larson <kergoth@gmail.com>
hub: update from 1.12.0 to 1.12.1

Signed-off-by: Christopher Larson <kergoth@gmail.com>
identify-game-wrapper: detect both versions of the gemrb wrapper

Signed-off-by: Christopher Larson <kergoth@gmail.com>