Description
DecodeRun set DataRunOffset = -1 when It hits sparse entry in cluster chain.
Consider this case
[Normal Cluster][Sparse][Normal Cluster]
relative LCN: 0x1 n/a 0x2
absolute cluster number: 0x1 n/a 0x3
current Implementation:
0x1 for LCN 0
n/a for LCN 1
0x2-1 = 0x1 for LCN 2