ext2: Ignore physical 0 pointers in ext2 block map

Pointers can be 0 in sparse files. So far we actually followed them,
reading block 0 (which happened to be all 00, so we also returned
0 in the end).
1 file changed
tree: 0b291f9b18a2e2c0d4f0dccd07a0643f24de1cab
  1. src/
  2. .gitignore
  3. default.adc
  4. default.gpr
  5. default.nix