Log Message:
Update trafshow to 5.2.3.
Based on patch provided by Jason White in PR 37142.
Bump depeneing libpcap to 0.8.1.

Version 5.2.2 at Jan  8 12:34:34 NOVT 2006
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* The sources was cleaned for new version of gcc 4.0. No complains
  any more. No other improvements has been made.

Version 5.2.3 at Mar 12 15:04:12 NOVT 2006
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* Significant improvement for *BSD packets capturing scheme using
  libpcap version 0.8 capabilities (pcap_get_selectable_fd() function).
* Bug-fix against core dumps on the list of interfaces with aliases
  and so on.