Standardize on the vi editing directives being on the first line.
diff --git a/e2fsprogs/ext2fs/jfs_dat.h b/e2fsprogs/ext2fs/jfs_dat.h
index 8ec5d38..136635d 100644
--- a/e2fsprogs/ext2fs/jfs_dat.h
+++ b/e2fsprogs/ext2fs/jfs_dat.h
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * jfs_dat.h --- stripped down header file which only contains the JFS
  *	on-disk data structures