Add -Werror to the --help message

diff --git a/main.c b/main.c
index 0bc34ff13effebfea99c386c0e065c5aeb40e4cb..be3d60c3ecd2fa20beeefa475ff96125094bffca 100644 (file)
--- a/main.c
+++ b/main.c
@@ -73,6 +73,7 @@ static int usage() {
     printf("  -W<warning>            enable a warning\n"
            "  -Wno-<warning>         disable a warning\n"
            "  -Wall                  enable all warnings\n");
+           "  -Werror                treat warnings as errors\n");
     printf("  -force-crc=num         force a specific checksum into the header\n");
     printf("\n");
     printf("flags:\n"