iptables: bump version

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/iptables/iptables.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 
-IPTABLES_VERSION = 1.4.15
+IPTABLES_VERSION = 1.4.16.3
 IPTABLES_SOURCE = iptables-$(IPTABLES_VERSION).tar.bz2
 IPTABLES_SITE = http://ftp.netfilter.org/pub/iptables
 IPTABLES_INSTALL_STAGING = YES