Fix array-to-pointer decay issue

This changeset fixes an issue in
- bf_compute_hashes(): Delete the address-of operator from decayed arrays
  According to C99 6.3.2.1, an array-of-type object used as a parameter
  in a function call or as rvalue is converted (decays) into a
  pointer-to-type object.
Merge pull request #28 from hroptatyr/fix/c-array-decay

Fix array-to-pointer decay issue