* subversion/libsvn_wc/wc_db.c:   (count_children, union_children, single_table_children,       gather_children): add docstrings as a followup to r952493.
* subversion/libsvn_wc/wc_db.c:
  (count_children, union_children, single_table_children,
      gather_children): add docstrings as a followup to r952493.

Suggested by: julianfoad


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@958297 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion