Make sure to clean out results.xml on make clean.
Make sure to clean out results.xml on make clean.

Signed-off-by: Chris Lalancette <281cd07d7578d97c83271fbbf2faddb83ab3791c@gmail.com>

moofrank/oz,imcleod/oz,imcleod/oz,nullr0ute/oz,cernops/oz,cernops/oz,clalancette/oz,ndonegan/oz,clalancette/oz,NeilBryant/oz,nullr0ute/oz,mgagne/oz,NeilBryant/oz,ndonegan/oz,mgagne/oz,moofrank/oz