* subversion/svnrdump/load_editor.c   (get_lock): Tweak error message to not suggested using an external     locking mechanism (which isn't supported in svnrdump).
* subversion/svnrdump/load_editor.c
  (get_lock): Tweak error message to not suggested using an external
    locking mechanism (which isn't supported in svnrdump).

Reported by: danielsh

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