- Fix black point by reading shorts/u16 instead of u32. Don't add 15 or check for overflow.
- Fix black point by reading shorts/u16 instead of u32. Don't add 15 or check for overflow.

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