Correct some casts to avoid casting away "const".
Correct some casts to avoid casting away "const".

* subversion/libsvn_client/locking_commands.c
  (organize_lock_targets): Fix two casts.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@854033 13f79535-47bb-0310-9956-ffa450edef68

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