IiqDecoder::CorrectQuadrantMultipliersCombined(): fix clang-tidy complaint
IiqDecoder::CorrectQuadrantMultipliersCombined(): fix clang-tidy complaint

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