Standardize on the vi editing directives being on the first line.
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 872581c..1c93546 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /* fdisk.c -- Partition table manipulator for Linux.
  *
  * Copyright (C) 1992  A. V. Le Blanc (LeBlanc@mcc.ac.uk)