gh-1529: Fix mix-indent in openebs/k8s/vagrant/1.9.4/centos/Vagrantfile
gh-1529: Fix mix-indent in openebs/k8s/vagrant/1.9.4/centos/Vagrantfile

This fixes #1529

Signed-off-by: dinukadesilva <a67689424bf1e32f7bd628418dfab2fa8299358a@gmail.com>

yudaykiran/openebs