Merge pull request #9943 from Certhic/autopsy-scan-unresponsive-fix

fix: autopsy scanner unresponsiveness

code/modules/surgery/organs/organ.dm

@@ -203,7 +203,7 @@
 						// Let's not drag this on, medbay has only so much antibiotics
 
 //Adds autopsy data for used_weapon.
-/obj/item/organ/proc/add_autopsy_data(var/used_weapon, var/damage)
+/obj/item/organ/proc/add_autopsy_data(var/used_weapon = "Unknown", var/damage)
 	var/datum/autopsy_data/W = autopsy_data[used_weapon]
 	if(!W)
 		W = new()

code/modules/surgery/organs/organ_external.dm

@@ -175,6 +175,8 @@
 		owner.handle_splints()
 	if(used_weapon)
 		add_autopsy_data("[used_weapon]", brute + burn)
+	else
+		add_autopsy_data(null, brute + burn)
 
 	// Make sure we don't exceed the maximum damage a limb can take before dismembering
 	if((brute_dam + burn_dam + brute + burn) < max_damage)