Use null instead of empty

ed3807d0 · Danny Tuppeny · Danny Tuppeny · 76815fae · ed3807d0
Commit ed3807d0 authored Apr 19, 2018 by Danny Tuppeny Committed by Danny Tuppeny May 09, 2018
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ios_emulators.dart packages/flutter_tools/lib/src/ios/ios_emulators.dart +1 -1

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--- a/packages/flutter_tools/lib/src/ios/ios_emulators.dart
+++ b/packages/flutter_tools/lib/src/ios/ios_emulators.dart
@@ -34,7 +34,7 @@ class IOSEmulator extends Emulator {
  String get manufacturer => 'Apple';

  @override
-  String get label => '';
+  String get label => null;

  @override
  Future<bool> launch() async {