iptables: Update to 1.4.16.3

This update fixes the following issue for iptables:
- bnc#791300: Update iptables in openSUSE:12.2 (bnc#791300) to 1.4.16.3; this resolves, among other things, http://bugs.debian.org/678499 (gcc 4.7 exposed undefined behavior, causing --log-prefix to not be correctly retained).

Fixed bugs
bnc#791300
Please update iptables in openSUSE:12.2(:Update)
Selected Binaries
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