NullReferenceException in Helper.cs

[medo64]

The following error happened on detach:

System.NullReferenceException
o  Object reference not set to an instance of an object.
     at VhdAttach.Helper.GetToolstripSizeAndSet(ToolStrip toolstrip, 
  Int32& size, String& set) in 
  Q:\Projects\Freeware\VhdAttach\Source\VhdAttach\Helper.cs:line 41
     at VhdAttach.Helper.UpdateToolstripImage(ToolStripItem item, 
  String name) in 
  Q:\Projects\Freeware\VhdAttach\Source\VhdAttach\Helper.cs:line 
  103
     at 
  VhdAttach.MainForm.bwCheckForUpgrade_RunWorkerCompleted(Object 
  sender, RunWorkerCompletedEventArgs e) in 
  Q:\Projects\Freeware\VhdAttach\Source\VhdAttach\MainForm.cs:line 
  1041
     at 
  System.ComponentModel.BackgroundWorker.OnRunWorkerCompleted(
  RunWorkerCompletedEventArgs e)

[medo64]

Fixed in commit #eecd531.