How upload *.ico file?

[eluser]InsiteFX[/eluser]
Detailed information for file extension ICO:
Primary association: Windows Icon
Company: Microsoft Corporation
Mime type: image/ico, image/x-icon, application/ico, application/x-ico, application/x-win-bitmap, image/x-win-bitmap, application/octet-stream
Identifying characters Hex: 00 00 01 00 , ASCII:
Related links: IrfanView, Microangelo, Ima

Code:

'ico'   => array('image/ico', 'image/x-icon', 'application/ico', 'application/x-ico', 'application/x-win-bitmap', 'image/x-win-bitmap', 'application/octet-stream')