FSFS: Remove a redundant check for a NULL pointer.
FSFS: Remove a redundant check for a NULL pointer.

* subversion/libsvn_fs_fs/revs-txns.c
  (svn_fs_fs__revision_prop): Don't check whether the proplist hash is NULL -
    svn_fs_fs__revision_proplist() will always return an error or a valid
    hash.

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