- update to 4.4.3:
* upgrade autogen/libopts to version 5.18.16
* avoid implicit int in configure.ac
* remove invalid assert in tree
* program exit after send error
* make libpcap version test more robust
* looping inflates some packet counters

- update to 4.4.2:
* This is Tcpreplay suite 4.4.2
* This release contains bug fixes only.
* What's Changed
* Bug #716 heap-buffer-overflow in get_l2len_protocol()
* Bug #721 fixed typo in tcpliveplay.c
* Bug #717 avoid assertion in get_layer4_v6
* Bug #718 improved heap-overflow protection
* Bug #719 better overflow protection in parse_mpls
* Bug #725 FORCE_ALIGN on arm
* Bug #729 tcpreplay_edit: disallow both -K and -l options
* Bug #735 heap-overflow in get_l2len_protocol
* Bug #745 remove autogen.sh from distribution tarballs (forwarded request 1046093 from dirkmueller)