added CHECK_EOF to work around warnings about EOF and -1 being the same

1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/check_ping.c b/plugins/check_ping.c
index e1ee0f5c..0c9cb19d 100644
--- a/plugins/check_ping.c
+++ b/plugins/check_ping.c
@@ -221,7 +221,7 @@ check_ping_config_wrapper process_arguments(int argc, char **argv) {
         while (true) {
                 int option_index = getopt_long(argc, argv, "VvhnL46t:c:w:H:p:", longopts, &option);
 
-                if (option_index == -1 || option_index == EOF) {
+                if (CHECK_EOF(option_index)) {
                         break;
                 }