Fix compilation bug with fpc 2.3.1 - field order
Fix compilation bug with fpc 2.3.1 - field order

 - fpc 2.3.1 Error: Fields cannot appear after a method or property
   definition

Signed-off-by: Graeme Geldenhuys <9c5184f256fa4e0f47ed2cae81d34eab896094fe@mastermaths.co.za>

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI