RawImageData::createBadPixelMap(): use roundUpDivision() when calc pitch
RawImageData::createBadPixelMap(): use roundUpDivision() when calc pitch

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