INT 31 P - CauseWay - "ResMemLinear" - RESIZE LINEAR MEMORY BLOCK
	AX = FF12h
	CX:DX = new size in bytes
	SI:DI = linear address of block to be resized
Return: CF clear if successful
	   SI:DI = new linear address of block
	CF set on error
SeeAlso: AX=FF0Dh,AX=FF10h,AX=FF13h