fix file close panic when error happens in OpenFile
fix file close panic when error happens in OpenFile

Signed-off-by: Guangming Wang <2dca52765acf93a024077590b100d00c3300ed67@daocloud.io>

stu-gott/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt