Normalize with the internal verison of this file.

Change-Id: I27d56a0f61bb68bfe9f0386dc7b140cdebba4522
Reviewed-on: https://dart-review.googlesource.com/72542
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>
diff --git a/pkg/analysis_server/bin/server.dart b/pkg/analysis_server/bin/server.dart
index f0d075f..8c669ff 100644
--- a/pkg/analysis_server/bin/server.dart
+++ b/pkg/analysis_server/bin/server.dart
@@ -7,7 +7,7 @@
 /**
  * Create and run an analysis server.
  */
-void main(List<String> args) {
+void main(List<String> args) async {
   ServerStarter starter = new ServerStarter();
   starter.start(args);
 }