Spline::prepare(): l is one-time-use in loop, so replace with scalar.
Spline::prepare(): l is one-time-use in loop, so replace with scalar.

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