[infra] Update wasm_gold_aggregator

Change-Id: I987712694580ae8636089b4dc58f8a3595a86577
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/419097
Reviewed-by: Leandro Lovisolo <lovisolo@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
diff --git a/infra/wasm-common/gold/wasm_gold_aggregator.go b/infra/wasm-common/gold/wasm_gold_aggregator.go
index 94488e2..b94120c 100644
--- a/infra/wasm-common/gold/wasm_gold_aggregator.go
+++ b/infra/wasm-common/gold/wasm_gold_aggregator.go
@@ -63,7 +63,7 @@
 var defaultKeys map[string]string
 
 // contains all the results reported in through report_gold_data
-var results []*jsonio.Result
+var results []jsonio.Result
 var resultsMutex sync.Mutex
 
 func main() {
@@ -85,7 +85,7 @@
 		"source_type":       *sourceType,
 	}
 
-	results = []*jsonio.Result{}
+	results = []jsonio.Result{}
 
 	http.HandleFunc("/report_gold_data", reporter)
 	http.HandleFunc("/dump_json", dumpJSON)
@@ -132,7 +132,7 @@
 
 	resultsMutex.Lock()
 	defer resultsMutex.Unlock()
-	results = append(results, &jsonio.Result{
+	results = append(results, jsonio.Result{
 		Digest: types.Digest(hash),
 		Key: map[string]string{
 			"name":   testOutput.TestName,