Avoid unnecessary rebuilds of iptables

[Jan Engelhardt]

 .gitignore                                     |  1 -
 Makefile.am                                    |  8 ++++++--
 configure.ac                                   |  1 -
 include/iptables/{internal.h.in => internal.h} |  2 --
 iptables/ip6tables.c                           |  4 ++--
 iptables/iptables-restore.c                    |  4 ++--
 iptables/iptables-save.c                       |  3 ++-
 iptables/iptables-xml.c                        |  6 +++---
 iptables/iptables.c                            |  4 ++--
 iptables/xtables-arp.c                         |  4 ++--
 iptables/xtables-eb.c                          |  4 ++--
 iptables/xtables-monitor.c                     |  5 +++--
 iptables/xtables-restore.c                     |  4 ++--
 iptables/xtables-save.c                        |  5 +++--
 iptables/xtables-translate.c                   | 10 +++++-----
 iptables/xtables.c                             |  4 ++--
 16 files changed, 36 insertions(+), 33 deletions(-)