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No longer considered upstream a library. The content is moved to libip4tc.
Signed-off-by: Arturo Borrero Gonzalez <arturo@debian.org>

Generate 2 new binary packages libiptc and libiptc-dev from iptables and
iptables-dev.

This way, we can play Multi-Arch games independently with iptables and libiptc.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>