Actually avoid timing out when running "pub lish".

sdk/lib/_internal/pub/lib/src/command/lish.dart

Index: sdk/lib/_internal/pub/lib/src/command/lish.dart
diff --git a/sdk/lib/_internal/pub/lib/src/command/lish.dart b/sdk/lib/_internal/pub/lib/src/command/lish.dart
index b85d0f42c408c4bb6d386e13d4ee5acfece9cd37..7706f402ca223049798b19001af8e8e32a996666 100644
--- a/sdk/lib/_internal/pub/lib/src/command/lish.dart
+++ b/sdk/lib/_internal/pub/lib/src/command/lish.dart
@@ -56,7 +56,7 @@ class LishCommand extends PubCommand {
           if (url is! String) invalidServerResponse(response);
           cloudStorageUrl = Uri.parse(url);
           var request = new http.MultipartRequest('POST', cloudStorageUrl);
-          request.headers['Pub-Http-Timeout'] = 'None';
+          request.headers['Pub-Request-Timeout'] = 'None';
 
           var fields = _expectField(parameters, 'fields', response);
           if (fields is! Map) invalidServerResponse(response);