enum entry for unarchive to be used by tar
diff --git a/libbb/libbb.h b/libbb/libbb.h
index e3d7133..a9c1a87 100644
--- a/libbb/libbb.h
+++ b/libbb/libbb.h
@@ -238,7 +238,8 @@
 	extract_unzip_only = 256,
 	extract_unconditional = 512,
 	extract_create_leading_dirs = 1024,
-	extract_quiet = 2048
+	extract_quiet = 2048,
+	extract_exclude_list = 4096
 };
 char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_header)(FILE *),
 	const int extract_function, const char *prefix, char **extract_names);