Another path->url conversion fix, similar to r33121 and friends:
Another path->url conversion fix, similar to r33121 and friends:

* subversion/libsvn_client/merge.c
  (calculate_left_hand_side): Use svn_path_url_add_component, instead
    of svn_path_join, to extend a url by a path component

Found by: Purple Streak <mrpurplestreak{_AT_}googlemail.com>
(Scripted up a good reproduction recipe when requested.)

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