use unknown exit code for help/version in plugins

Signed-off-by: Sven Nierlein <sven@nierlein.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 22121226..d6bd2c0f 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -395,10 +395,10 @@ process_arguments (int argc, char **argv)
     switch (c) {
     case 'h': /* help */
       print_help ();
-      exit (STATE_OK);
+      exit (STATE_UNKNOWN);
     case 'V': /* version */
       print_revision (progname, NP_VERSION);
-      exit (STATE_OK);
+      exit (STATE_UNKNOWN);
     case 'v': /* version */
       verbose = TRUE;
       break;