[Bug go/93900] Patches to fix build of gcc-10-10-20200222 for GNU/Hurd

[svante.signell at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93900

--- Comment #1 from Svante Signell <svante.signell at gmail dot com> ---
Created attachment 47895
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47895&action=edit
Add hurd to // +build