Fix shellcheck lint errors in test/kubemark/stop-kubemark.sh

Author: Bob Killen

hack/.shellcheck_failures

@@ -145,7 +145,6 @@
 ./test/images/volume/rbd/create_block.sh
 ./test/images/volume/rbd/mon.sh
 ./test/images/volume/rbd/osd.sh
-./test/kubemark/stop-kubemark.sh
 ./third_party/forked/shell2junit/sh2ju.sh
 ./third_party/intemp/intemp.sh
 ./third_party/multiarch/qemu-user-static/register/qemu-binfmt-conf.sh

test/kubemark/stop-kubemark.sh

@@ -16,7 +16,7 @@
 
 # Script that destroys Kubemark cluster and deletes all master resources.
 
-KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
+KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/../..
 
 source "${KUBE_ROOT}/test/kubemark/skeleton/util.sh"
 source "${KUBE_ROOT}/test/kubemark/cloud-provider-config.sh"