Ignore the exit status from the --help run on timing builds, since some early revisions have bugs and we can still go on and get useful stats from the full and null builds.
Ignore the exit status from the --help run on timing builds, since some
early revisions have bugs and we can still go on and get useful stats
from the full and null builds.

Distrotech/scons,Distrotech/scons,Distrotech/scons,Distrotech/scons,Distrotech/scons