Avoid loading ROMPatch on RISC OS 5
This is a possibility when softloading RISC OS 5 on a RISC OS 3.7 machine, due to the way that !Boot.Choices is initialised on first boot.
This is a possibility when softloading RISC OS 5 on a RISC OS 3.7 machine, due to the way that !Boot.Choices is initialised on first boot.