Revision 851235

Remove -l alias for svn log's --limit option.

* subversion/clients/cmdline/cl.h
  (svn_cl__longopt_t): add svn_cl__limit_opt.

* subversion/clients/cmdline/main.c
  (svn_cl__options): replace 'l' with svn_cl__limit_opt.
  (svn_cl__cmd_table): replace svn log's 'l' option with svn_cl__limit_opt.
  (main): replace 'l' with svn_cl__limit_opt in getopt switch statement.

* subversion/tests/clients/cmdline/getopt_tests_data/svn_help_log_switch_stdout
  (svn help log): update --limit line.