DngOpcodes::FixBadPixelsList: add comment about apparent stupidity
DngOpcodes::FixBadPixelsList: add comment about apparent stupidity

At least, e.g. "./DJI/FC220/DJI_0004.DNG" from RPU
specifies pixels outside of the current crop.

This is so convoluted...

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