* subversion/include/svn_fs.h
  (svn_fs_path_change2_t): Extend docstrings to explain when the
                           *_mod fields will assume which values.
                           No functional change.

Patch by: julianfoad


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1628759 13f79535-47bb-0310-9956-ffa450edef68