[ARW] Accept 1-elt white levels, as seen on DSLR-A200
[ARW] Accept 1-elt white levels, as seen on DSLR-A200

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