cmd/go: relax the regular expression of TestScript/list_pkgconfig_error
Fixes #68283
Change-Id: Ia6af550f0fc232e4ae6f7ea96370138e958aaca2
GitHub-Last-Rev:
206ce8b0d9309e09c7b482d3e0f42a8f47474936
GitHub-Pull-Request: golang/go#68324
Reviewed-on: https://go-review.googlesource.com/c/go/+/596935
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>