Apply go fix modernizations

fuzz_test.go

@@ -77,20 +77,14 @@ func FuzzDMXRoundtrip(f *testing.F) {
 		if dmx.Universe != universe {
 			t.Fatalf("universe mismatch: sent %v, got %v", universe, dmx.Universe)
 		}
-		expectedLen := len(dmxInput)
-		if expectedLen > 512 {
-			expectedLen = 512
-		}
+		expectedLen := min(len(dmxInput), 512)
 		if expectedLen%2 != 0 {
 			expectedLen++
 		}
 		if int(dmx.Length) != expectedLen {
 			t.Fatalf("length mismatch: expected %d, got %d", expectedLen, dmx.Length)
 		}
-		compareLen := len(dmxInput)
-		if compareLen > 512 {
-			compareLen = 512
-		}
+		compareLen := min(len(dmxInput), 512)
 		if !bytes.Equal(dmx.Data[:compareLen], dmxInput[:compareLen]) {
 			t.Fatal("dmx data mismatch")
 		}