Merge pull request #6354 from MagmaRam/eyestabs

Adds proper miss chance for stabbing people in the eyes.

code/modules/mob/mob_helpers.dm

@@ -147,6 +147,8 @@ proc/getsensorlevel(A)
 	var/miss_chance = 10
 	if (zone in base_miss_chance)
 		miss_chance = base_miss_chance[zone]
+	if (zone == "eyes" || zone == "mouth")
+		miss_chance = base_miss_chance["head"]
 	miss_chance = max(miss_chance + miss_chance_mod, 0)
 	if(prob(miss_chance))
 		if(prob(70))