inliniac/suricata — pull request #566 by ken-tilera (2013-09-29 15:17:19+00:00)
Title: Improve Signature sorting speed

Changed the signature sorting code to use a a single merge sort instead
of the multiple pass sorting that was being used. This reduces startup
time on Tile by a factor of 3.

Also replace the user array of pointers to ints with a simpler array of
ints.