go/analysis: fix path to example-test.go

go/ssa/ssautil/load.go

@@ -129,7 +129,7 @@ func CreateProgram(lprog *loader.Program, mode ssa.BuilderMode) *ssa.Program {
 //
 // The operation fails if there were any type-checking or import errors.
 //
-// See ../ssa/example_test.go for an example.
+// See ../example_test.go for an example.
 //
 func BuildPackage(tc *types.Config, fset *token.FileSet, pkg *types.Package, files []*ast.File, mode ssa.BuilderMode) (*ssa.Package, *types.Info, error) {
 	if fset == nil {