(svn r6994) -Regression (r6291): When sending an aircrafts to a hangar the wrong bit gets tested to determine if a aircraft should stop there or just get serviced
Also remove a stale comment
Both spotted and fixed by Mart3p

		.CODE

PUBLIC	_get_save_esp
_get_save_esp:
		MOV	RAX,RSP
		RET

PUBLIC	_rdtsc
_rdtsc:
		RDTSC
		MOV RCX,RDX
		SHL RCX,32
		AND RAX,0FFFFFFFFh
		OR  RAX,RCX
		RET

		END