win32: set control text for TBitButton also although it does not draw it natively (issue #0024135)

git-svn-id: trunk@41655 -

lcl/interfaces/win32/win32wsbuttons.pp

@@ -659,6 +659,7 @@ end;
 class procedure TWin32WSBitBtn.SetText(const AWinControl: TWinControl; const AText: string);
 begin
   if not WSCheckHandleAllocated(AWinControl, 'SetText') then Exit;
+  TWin32WSWinControl.SetText(AWinControl, AText);
   DrawBitBtnImage(TCustomBitBtn(AWinControl), AText);
 end;