Medium: apache: Revised fix for init script reference on SUSE (bnc#884674)

Previous fix for this issue was incorrect, the failed -e test caused the
function to return 1. This inversed test will return 0 if the configtest
is skipped.
Merge pull request #464 from krig/apache-fix-2

Medium: apache: Revised fix for init script reference on SUSE (bnc#884674)