Remove an unused parameter from a local function.  No functional change.
Remove an unused parameter from a local function.  No functional change.

* subversion/libsvn_delta/svndiff.c
  (append_encoded_int): Remove the unused 'pool' parameter.
  (window_handler): Adjust calls accordingly.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion