Fix error during bootstrapping
Fix error during bootstrapping

Bootstrapping process fails if the configuration file is not created
yet and, therefore, not existing in the configuration object.

Signed-off-by: Claus Hunsen <915ea1754d1e683c8590c1153f86dda2580c25c7@fim.uni-passau.de>

simbuerg/benchbuild,simbuerg/benchbuild