Fix downloading files with exact ranges requested in client FS. (#1892)
Fix downloading files with exact ranges requested in client FS. (#1892)

This is due to the fact that ReadAt() will not send io.EOF
when reading past the offset, server instead returns
Range error. Handle the error by only reading until the
requested size.
abperiasamy/mc,minio/mc,abperiasamy/mc,CarterMcClellan/mc,vadmeste/mc,minio/mc,vadmeste/mc,balamurugana/mc,CarterMcClellan/mc,krisis/mc,krisis/mc,balamurugana/mc