Added support for Nikon D300S.
Added support for Nikon D300S.

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