var crypto/x509.systemRootsErr

5 uses

	crypto/x509 (current package)
		root.go#L26: 	systemRootsErr error
		root.go#L40: 	systemRoots, systemRootsErr = loadSystemRoots()
		root.go#L41: 	if systemRootsErr != nil {
		root.go#L84: 	systemRoots, systemRootsErr = roots, nil
		verify.go#L818: 			return nil, SystemRootsError{systemRootsErr}