bug 328675: add error checking to runscript.sh
bug 328675: add error checking to runscript.sh

runscript.sh needs to abort if the . command used to load
conf.d files and the service script does not execute successfully.
I would like to thank Mike Frysinger for his input wrt style on this
patch.

dwfreed/openrc,dwfreed/openrc,williamh/openrc,williamh/openrc,OpenRC/openrc,dwfreed/openrc,williamh/openrc,OpenRC/openrc,OpenRC/openrc