Log Message:
Update libtrace to 3.0.10

libtrace 3.0.10 (2011-03-11)
Bug Fixes
Improvements
* Significantly improved performance of libtrace event API
* Transport headers and payload length are now cached for each
  packet, saving time on subsequent lookups

libtrace 3.0.9 (2011-01-25)
Bug Fixes
Improvements
* tracesplit can now accept multiple input URIs which are read in turn

libtrace 3.0.8 (2010-12-03)
Bug Fixes
New Features
* Added a new API function called trace_get_payload_length() that returns
  the length of the original payload content (i.e. the size of the
  post-transport header payload prior to any snapping)
Improvements
* Added IPv6 and IPv6 fragmentation header decoders to libpacketdump
* traceanon can now read cryptopan keys from a file