[lazarus] patch for LM_PAINT

[Micha Nelissen]

Darek Mazur wrote:

> in win32object.inc
> I've added section for LM_PAINT
> 
> Function TWin32Object.IntSendMessage3(LM_Message: Integer; Sender: TObject;
> Data: Pointer): Integer;
> 
[snip]
> and now Repaint works the same like in Delphi
> 

What bug has been fixed? IIRC correctly, you shouldn't have to do this. 
Only win32callback.inc may call Perform or Dispatch on a LCL control.

Micha.