[fpc-pascal] Adding file to string to the RTL

[Ryan Joseph]

> On Oct 6, 2020, at 1:42 AM, Jer Haan via fpc-pascal <fpc-pascal at lists.freepascal.org> wrote:
> 
> I use this function to read a file into a string:

Not sure how Michael implemented it but we have this in the RTL now, so we can throw away our ReadFile functions. I have many of those littered around in various projects so I'm looking forward to killing it. ;)

Regards,
	Ryan Joseph