Patch from Svante Signell.
Fixes GCC PR go/93900
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/220592
-4e6402f3153fad368830ff3fe57c6302179de806
+658fe4f48374167bf8688e8dbd5f85eee155749e
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build dragonfly freebsd linux netbsd openbsd
+// +build dragonfly freebsd hurd linux netbsd openbsd
package poll