Replace printf and fprintf with svn_cmdline_* in svnlook.
Replace printf and fprintf with svn_cmdline_* in svnlook.

Part of fix for issue #780.

* svnlook/main.c (print_dirs_changed_tree, print_changed_tree,
  print_diff_tree, print_tree, do_log, do_date, do_author, print_history,
  do_history, subcommand_youngest, subcommand_uuid): Replace printf
  with snv_cmdline variant.
  (display_prop_diffs): Ditto, but leave plain printfs for prop value.
  (main): Replace fprintfs with svn_cmdline variant. Flush stdout before
  nromal exit.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@849934 13f79535-47bb-0310-9956-ffa450edef68

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