compressor: protect against multiple inclusion

Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
1 file changed
tree: 1ed4a3a7ee7b93abbded1e0004a61d3dc5f1e5d0
  1. kernel/
  2. kernel-2.4/
  3. squashfs-tools/
  4. README