wineshelllink: fall back to $HOME if $HOME/Desktop does not exist

[Jeff L]

Lei Zhang wrote:
> Hi,
>
> As reported in bug 7373, some people do not have a Desktop directory
> in their home directory. Wineshelllink should fall back to putting
> .desktop files in the home directory if the Desktop directory does not
> exist.
Is there a reason why we should not just create a Desktop directory?  
Seems neater than cluttering up the home.

Jeff