Fix deprecation warnings in svndumpfilter, stop using svn_path_join.
Fix deprecation warnings in svndumpfilter, stop using svn_path_join.

* subversion/svndumpfilter/main.c (new_node_record): Use svn_uri_join for
   node and copyfrom paths from the dumpfile.
  (main): Use svn_dirent_join for path prefixes.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@880383 13f79535-47bb-0310-9956-ffa450edef68

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