[monitoring-plugins] check_users: still allow zero thresholds

[Sven Nierlein]

 Module: monitoring-plugins
 Branch: master
 Commit: 52cd7d79349489c6c4ae36f463abb9cecb9a6c31
 Author: Sven Nierlein <sven at nierlein.de>
   Date: Mon Nov  7 21:49:03 2016 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=52cd7d7

check_users: still allow zero thresholds

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

---

 plugins/check_users.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/check_users.c b/plugins/check_users.c
index a10249c..f6f4b36 100644
--- a/plugins/check_users.c
+++ b/plugins/check_users.c
@@ -222,9 +222,9 @@ process_arguments (int argc, char **argv)
 	/* this will abort in case of invalid ranges */
 	set_thresholds (&thlds, warning_range, critical_range);
 
-	if (thlds->warning->end <= 0)
+	if (thlds->warning->end < 0)
 		usage4 (_("Warning threshold must be a positive integer"));
-	if (thlds->critical->end <= 0)
+	if (thlds->critical->end < 0)
 		usage4 (_("Critical threshold must be a positive integer"));
 
 	return OK;