icl trace code deduplication

icl trace code deduplication

right now we have 2 copies of the same code for dealing with traced objects.
it's the same code! make a function, and call it 4 times.

Change-Id: I1c8b6d7b2cff59108eada1522ba1ec76efeba421
Reviewed-on: http://gerrit.openafs.org/1199
Tested-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Simon Wilkinson <sxw@inf.ed.ac.uk>
Reviewed-by: Derrick Brashear <shadow@dementia.org>