experimental/fiddle: update to work again

experimental/fiddle/fiddler.go

Index: experimental/fiddle/fiddler.go
diff --git a/experimental/fiddle/fiddler.go b/experimental/fiddle/fiddler.go
index d3056c95d3f0cecbbcff9a1aa41a75972a1346be..0c0dedbc132a1e3076409a99ff8a32afb62702a9 100644
--- a/experimental/fiddle/fiddler.go
+++ b/experimental/fiddle/fiddler.go
@@ -150,7 +150,7 @@ func main() {
 			if err != nil {
 				glog.Fatalf("unable to open \"%s\": %v", os.Args[2], err)
 			}
-			util.Close(inputFile)
+			defer util.Close(inputFile)
 			if err = fiddler(skiaSrc, inputFile, os.Stdout, tempDir); err != nil {
 				glog.Fatal(err)
 			}