Nit picking code

Author: StanleyGoldman

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/BranchesView.cs

@@ -312,11 +312,11 @@ private void OnButtonBarGUI()
 
         private void OnTreeGUI(Rect rect)
         {
+            UpdateTreeStyles();
+
             var initialRect = rect;
             var treeHadFocus = treeLocals.SelectedNode != null;
 
-            UpdateTreeStyles();
-
             rect = treeLocals.Render(rect, scroll,
                 node =>{ },
                 node => {