go/analysis/unitchecker: fix unresolved import error message

Change-Id: Id198ca219f0721661d6de1729a15ada45300eba3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/803782
Commit-Queue: Alan Donovan <adonovan@google.com>
Auto-Submit: Alan Donovan <adonovan@google.com>
Auto-Submit: Mark Freeman <markfreeman@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

go/analysis/unitchecker/unitchecker.go

diff --git a/go/analysis/unitchecker/unitchecker.go b/go/analysis/unitchecker/unitchecker.go
index f6f3cd5..421241c 100644
--- a/go/analysis/unitchecker/unitchecker.go
+++ b/go/analysis/unitchecker/unitchecker.go
@@ -296,7 +296,7 @@
 		return importerFunc(func(importPath string) (*types.Package, error) {
 			path, ok := cfg.ImportMap[importPath] // resolve vendoring, etc
 			if !ok {
-				return nil, fmt.Errorf("can't resolve import %q", path)
+				return nil, fmt.Errorf("can't resolve import %q", importPath)
 			}
 			return compilerImporter.Import(path)
 		})