Actually properly add Panasonic DMC-ZS100 support.
Actually properly add Panasonic DMC-ZS100 support.

See https://redmine.darktable.org/issues/11950

darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed