Nikon D3: correct 12-bit whitelevels, enable. Fixes #11216
Nikon D3: correct 12-bit whitelevels, enable. Fixes #11216

darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,klauspost/rawspeed,klauspost/rawspeed,anarsoul/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,anarsoul/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,anarsoul/rawspeed