fix(image): fix size calc of DDS files
fix(image): fix size calc of DDS files

stardazed/stardazed-tx,zenmumbler/libzm,stardazed/stardazed,stardazed/stardazed-tx,zenmumbler/stardazed-tx,zenmumbler/stardazed-tx,stardazed/stardazed,zenmumbler/libzm,zenmumbler/stardazed-tx,stardazed/stardazed-tx,zenmumbler/stardazed-tx,zenmumbler/libzm,zenmumbler/libzm