Recommended update for iptables

This update for iptables provides the following fix:

- Fix a locking issue of iptables-batch when other programs modify the iptables rules in parallel (bsc#1045130)

This update was imported from the SUSE:SLE-12:Update update project.

Fixed bugs
bnc#1045130
SuSEfirewall2: firewall sometimes not correctly loading on Azure
Selected Binaries
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