cmd/link: require cgo internal linking in TestIssue33979
This was a typo regression in CL 643897, which accidentally dropped the
requirement for cgo internal linking. As a result, this test is
continuously failing on windows-arm64.
For #71395.
Cq-Include-Trybots: luci.golang.try:gotip-windows-arm64
Change-Id: I6a6a636c25fd399cda6649ef94655aa112f10f63
Reviewed-on: https://go-review.googlesource.com/c/go/+/675015
Auto-Submit: Michael Pratt <mpratt@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>