Medical scanner additions.

- Stationary scanners detect vira.
- Portable scanners detect internal bleeding.

code/game/objects/items/devices/scanners.dm

@@ -158,6 +158,10 @@ MASS SPECTROMETER
 			if(e.status & ORGAN_BROKEN)
 				user.show_message(text("\red Bone fractures detected. Advanced scanner required for location."), 1)
 				break
+		for(var/datum/organ/external/e in H.organs)
+			for(var/datum/wound/W in e.wounds) if(W.internal)
+				user.show_message(text("\red Internal bleeding detected. Advanced scanner required for location."), 1)
+				break
 		if(M:vessel)
 			var/blood_volume = round(M:vessel.get_reagent_amount("blood"))
 			var/blood_percent =  blood_volume / 560