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_mysql.c b/plugins/check_mysql.c
index 26730d4c..20b4ac3f 100644
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
@@ -504,7 +504,7 @@ check_mysql_config_wrapper process_arguments(int argc, char **argv) {
                 int option_index =
                         getopt_long(argc, argv, "hlvVnSP:p:u:d:H:s:c:w:a:k:C:D:L:f:g:", longopts, &option);
 
-                if (option_index == -1 || option_index == EOF) {
+                if (CHECK_EOF(option_index)) {
                         break;
                 }