Update haveged to 1.9.2

Release notes:
http://www.issihosts.com/haveged/downloads.html
  Version 1.9.2
  I am no longer active as a developer but have decided to push out
  contributor fixes I have accumulated since the last release. Two
  oustanding bugs are not addressed: 1) Failure to build on IA64 due
  to busted cpuid and 2) Incorrect exit status when terminate by signal.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>