Recommended update for yast2-network

This update for yast2-network fixes the following issues:

- Update to 3.2.56
* keep original hostnames untouched in /etc/hosts when only IP
changed (bsc#709176)

This update was imported from the SUSE:SLE-12-SP3:Update update project.

Fixed bugs
bnc#709176
[yast2-network] [dataloss] yast wipes host name aliases when changing IP address
Selected Binaries
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