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_disk.c b/plugins/check_disk.c
index 73fe815e..e773e56c 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -448,7 +448,7 @@ check_disk_config_wrapper process_arguments(int argc, char **argv) {
                 int option_index = getopt_long(
                         argc, argv, "+?VqhvefCt:c:w:K:W:u:p:x:X:N:mklLPg:R:r:i:I:MEAn", longopts, &option);
 
-                if (option_index == -1 || option_index == EOF) {
+                if (CHECK_EOF(option_index)) {
                         break;
                 }