Standardize on the vi editing directives being on the first line.
diff --git a/networking/udhcp/signalpipe.h b/networking/udhcp/signalpipe.h
index 70c1e57..1621d57 100644
--- a/networking/udhcp/signalpipe.h
+++ b/networking/udhcp/signalpipe.h
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /* signalpipe.h
  *
  * Russ Dill <Russ.Dill@asu.edu> December 2003