Bumping k8s dependencies to 1.13

vendor/k8s.io/kubernetes/pkg/util/mount/mount.go

@@ -96,6 +96,9 @@ type Interface interface {
 	// Will operate in the host mount namespace if kubelet is running in a container.
 	// Error is returned on any other error than "file not found".
 	ExistsPath(pathname string) (bool, error)
+	// EvalHostSymlinks returns the path name after evaluating symlinks.
+	// Will operate in the host mount namespace if kubelet is running in a container.
+	EvalHostSymlinks(pathname string) (string, error)
 	// CleanSubPaths removes any bind-mounts created by PrepareSafeSubpath in given
 	// pod volume directory.
 	CleanSubPaths(podDir string, volumeName string) error
@@ -328,8 +331,8 @@ func HasMountRefs(mountPath string, mountRefs []string) bool {
 	return count > 0
 }
 
-// pathWithinBase checks if give path is within given base directory.
-func pathWithinBase(fullPath, basePath string) bool {
+// PathWithinBase checks if give path is within given base directory.
+func PathWithinBase(fullPath, basePath string) bool {
 	rel, err := filepath.Rel(basePath, fullPath)
 	if err != nil {
 		return false