LibRaw_QIODevice::seek() avoid seek on a sequential device
Should fix tons of warning reported by @apol
QIODevice::seek|?kimg_raw.so?|LibRaw::identify QIODevice::seek (QNetworkReplyHttpImpl): Cannot call seek on a sequential device
QIODevice::seek|?kimg_raw.so?|LibRaw::identify QIODevice::seek (QNetworkReplyHttpImpl): Cannot call seek on a sequential device
QIODevice::seek|?kimg_raw.so?|LibRaw::parse_smal QIODevice::seek (QNetworkReplyHttpImpl): Cannot call seek on a sequential device
QIODevice::seek|?kimg_raw.so?|LibRaw::parse_jpeg QIODevice::seek (QNetworkReplyHttpImpl): Cannot call seek on a sequential device
QIODevice::seek|?kimg_raw.so?|LibRaw::identify QIODevice::seek (QNetworkReplyHttpImpl): Cannot call seek on a sequential device