htpdate: add htpdate package based on AA feed

Source homepage has changed, and sources are updated to version 1.1.1
released 25 August 2015.

Patch adjtimex still applies.

Changes in version 1.1.1:

- Fixed out of bound issue and a missing null-terminated string (thanks
  to Tobias Stöckmann)

Signed-off-by: Tijs Van Buggenhout <tvbuggen@netzerk.be>

net/htpdate/files/htpdate.init

@@ -0,0 +1,19 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2006 OpenWrt.org
+
+START=49
+BIN=htpdate
+DEFAULT=/etc/default/$BIN
+RUN_D=/var/run
+PID_F=$RUN_D/$BIN.pid
+
+start() {
+	[ -f $DEFAULT ] && . $DEFAULT
+	mkdir -p $RUN_D
+	$BIN -l -s -t $OPTIONS && $BIN -D $OPTIONS
+}
+
+stop() {
+	[ -f $PID_F ] && kill $(cat $PID_F)
+}
+