bugfix: fix olsr and dnsmasq upgrade inconsist config settings

olsr was not triggering an update for dns to receive host
information due to different path names.  Also fixed
dnsmasq warning messages at start up with missing
/tmp/hosts directory.

patches/100-dnsmasq-upgrade.patch

@@ -195,7 +195,7 @@
 -/etc/init.d/dnsmasq enabled && /etc/init.d/dnsmasq start
 --- /dev/null
 +++ b/package/network/services/dnsmasq/files/dnsmasq.init.aredn
-@@ -0,0 +1,640 @@
+@@ -0,0 +1,641 @@
 +#!/bin/sh /etc/rc.common
 +# Copyright (C) 2007-2012 OpenWrt.org
 +
@@ -749,7 +749,7 @@
 +	config_load dhcp
 +
 +	procd_open_instance
-+	procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq/dnsmasq.pid
++	procd_set_param command $PROG -C $CONFIGFILE -k -x /var/run/dnsmasq.pid
 +	procd_set_param file $CONFIGFILE
 +	procd_set_param respawn
 +
@@ -762,6 +762,7 @@
 +	# before we can call xappend
 +	mkdir -p /var/run/dnsmasq/
 +	mkdir -p $(dirname $CONFIGFILE)
++	mkdir -p /tmp/hosts
 +	mkdir -p /var/lib/misc
 +	touch /tmp/dhcp.leases
 +