eat trailing whitespace

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

sh/udhcpc-hook.sh.in

@@ -30,7 +30,7 @@ update_ntp()
 {
 	peer_var "${PEER_NTP}" && return
 	[ -z "${ntpsrv}" ] && return
-	
+
 	conf="# Generated by udhcpc for interface ${interface}\n"
 	conf="${conf}restrict default noquery notrust nomodify\n"
 	conf="${conf}restrict 127.0.0.1\n"
@@ -64,7 +64,7 @@ update_interface()
 update_routes()
 {
 	peer_var "${PEER_ROUTERS}" && return
-	
+
 	if [ -n "${router}" ] ; then
 		metric=
 		[ -n "${IF_METRIC}" ] && metric="metric ${IF_METRIC}"