Standardize on the vi editing directives being on the first line.
diff --git a/e2fsprogs/ext2fs/alloc.c b/e2fsprogs/ext2fs/alloc.c
index d56ef25..590f23a 100644
--- a/e2fsprogs/ext2fs/alloc.c
+++ b/e2fsprogs/ext2fs/alloc.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * alloc.c --- allocate new inodes, blocks for ext2fs
  *