make result public in function filter

kyaml/fn/runtime/runtimeutil/runtimeutil.go

@@ -42,7 +42,7 @@ type FunctionFilter struct {
 	DeferFailure bool
 
 	// results saves the results emitted from Run
-	results *yaml.RNode
+	Results *yaml.RNode
 
 	// exit saves the error returned from Run
 	exit error
@@ -250,7 +250,7 @@ func (c *FunctionFilter) doResults(r *kio.ByteReader) error {
 	}
 
 	if r.Results != nil {
-		c.results = r.Results
+		c.Results = r.Results
 	}
 	return nil
 }

kyaml/fn/runtime/runtimeutil/runtimeutil_test.go

@@ -1090,7 +1090,7 @@ metadata:
 			if len(tt.instance.ResultsFile) > 0 {
 				tt.expectedResults = strings.TrimSpace(tt.expectedResults)
 
-				results, err := tt.instance.results.String()
+				results, err := tt.instance.Results.String()
 				if !assert.NoError(t, err) {
 					t.FailNow()
 				}