+CAPTIVE_OPTION_MEDIA_UNKNOWN as guaranteed invalid 'enum' value.

diff --git a/src/libcaptive/include/captive/options.h b/src/libcaptive/include/captive/options.h
index 7651e57..6edea2b 100644 (file)
--- a/src/libcaptive/include/captive/options.h
+++ b/src/libcaptive/include/captive/options.h
@@ -42,6 +42,7 @@ enum captive_option_rwmode {
        };
 
 enum captive_option_media {
+       CAPTIVE_OPTION_MEDIA_UNKNOWN,
        CAPTIVE_OPTION_MEDIA_CDROM,
        CAPTIVE_OPTION_MEDIA_DISK,
        };