generated mode: fix result

generated mode: fix result

don't leave build results which will interfere with the next phase around

Reviewed-on: http://gerrit.openafs.org/4074
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
(cherry picked from commit e16d015a3eec3cf2fb79b27b39bd567bb4f07581)

Change-Id: I3bd6270f1d33468e9893aaebd887b23a1eda4f07
Reviewed-on: http://gerrit.openafs.org/4080
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>