From 8e594db824d4b95bc3f6d66d0740c8d162555a23 Mon Sep 17 00:00:00 2001
From: Brendan Forster <brendan@github.com>
Date: Sun, 12 Oct 2014 08:45:57 -0300
Subject: [PATCH] take care of initializing the labels array as late as
 possible

---
 .../Clients/IssuesLabelsClientTests.cs                |  2 +-
 Octokit/Models/Request/IssueUpdate.cs                 | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Octokit.Tests.Integration/Clients/IssuesLabelsClientTests.cs b/Octokit.Tests.Integration/Clients/IssuesLabelsClientTests.cs
index 7d74663f..04f53512 100644
--- a/Octokit.Tests.Integration/Clients/IssuesLabelsClientTests.cs
+++ b/Octokit.Tests.Integration/Clients/IssuesLabelsClientTests.cs
@@ -41,7 +41,7 @@ public class IssuesLabelsClientTests : IDisposable
         Assert.Empty(issueLabelsInfo);
 
         var issueUpdate = new IssueUpdate();
-        issueUpdate.Labels.Add(label.Name);
+        issueUpdate.AddLabel(label.Name);
         var updated = await _issuesClient.Update(_repositoryOwner, _repository.Name, issue.Number, issueUpdate);
         Assert.NotNull(updated);
         issueLabelsInfo = await _issuesLabelsClient.GetForIssue(_repositoryOwner, _repositoryName, issue.Number);
diff --git a/Octokit/Models/Request/IssueUpdate.cs b/Octokit/Models/Request/IssueUpdate.cs
index d0910a85..3cc2175f 100644
--- a/Octokit/Models/Request/IssueUpdate.cs
+++ b/Octokit/Models/Request/IssueUpdate.cs
@@ -60,5 +60,16 @@ namespace Octokit
                 return String.Format(CultureInfo.InvariantCulture, "Title: {0}",Title);
             }
         }
+
+        public void AddLabel(string name)
+        {
+            // lazily create the label array
+            if (Labels == null)
+            {
+                Labels = new List<string>();
+            }
+
+            Labels.Add(name);
+        }
     }
 }