udhcp: cosmetic cleanups; one case of s/full_read/xread/

function                                             old     new   delta
dumpleases_main                                      632     623      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/dhcpc.h b/networking/udhcp/dhcpc.h
index fba747f..6bef562 100644
--- a/networking/udhcp/dhcpc.h
+++ b/networking/udhcp/dhcpc.h
@@ -1,4 +1,7 @@
 /* vi: set sw=4 ts=4: */
+/*
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ */
 #ifndef UDHCP_DHCPC_H
 #define UDHCP_DHCPC_H 1