Remove trailing whitespace. Update copyright to include 2004.
diff --git a/networking/udhcp/arpping.h b/networking/udhcp/arpping.h
index 6cbd297..6f27d9f 100644
--- a/networking/udhcp/arpping.h
+++ b/networking/udhcp/arpping.h
@@ -15,7 +15,7 @@
u_char h_dest[6]; /* destination ether addr */
u_char h_source[6]; /* source ether addr */
u_short h_proto; /* packet type ID field */
-
+
/* ARP packet */
uint16_t htype; /* hardware type (must be ARPHRD_ETHER) */
uint16_t ptype; /* protocol type (must be ETH_P_IP) */