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) */