Standardize on the vi editing directives being on the first line.
diff --git a/archival/libunarchive/get_header_cpio.c b/archival/libunarchive/get_header_cpio.c
index f54b5af..725c491 100644
--- a/archival/libunarchive/get_header_cpio.c
+++ b/archival/libunarchive/get_header_cpio.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /* Copyright 2002 Laurence Anderson
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.