Fix documentation of svn_path_is_canonical.
Fix documentation of svn_path_is_canonical.

Suggested by: gstein

* subversion/include/svn_path.h
  (svn_path_is_canonical): Document pool usage. Even though the pool won't be
   used anymore in 1.6, it'll still be needed when using <1.5 libs.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@873689 13f79535-47bb-0310-9956-ffa450edef68

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