[lazarus] circular unit reference

[Florian Klaempfl]

Andreas Hausladen wrote:
>>Simply delete messages.pp for win32.
> 
> 
> Yes, this would be the easiest way for a LCL developer but it is no real solution. Or would you say to a customer: "Please delete a
> file for a successful compilation" ? And what is if the the developer wants to migrate to Linux? "With" the deleted file he must
> download the LCL again if he has not backuped the file.
> I think the solution I've chosen for the Delphi port is better than deleting a file.

No. The final solution is to move the messages.pp to the lcl/nonwin32 
dir, however the lazarus developers didn't do this yet.