Add missing newline to message to keep line length below 79 chars.  Approved by maxb.
Add missing newline to message to keep line length below 79 chars. 
Approved by maxb.

* subversion/clients/cmdline/main.c
  Insert missing \n into message in svn_cl__cmd_table[] .

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