On the log-addressing branch:  Follow-up to r1516315.  Make modified
FNV-1 checksum calculation actually platform independent.

* subversion/libsvn_subr/fnv1a.c
  (finalize_fnv1a_32x4): make the intermediate hash string use a
                         platform independent byte order

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/log-addressing@1516322 13f79535-47bb-0310-9956-ffa450edef68