earlyport cleave exploit fix

if ya can't poke them ya don't get to slash either

code/game/objects/weapons.dm

@@ -36,6 +36,8 @@
 			continue
 		if(!SM.Adjacent(user) || !SM.Adjacent(target)) // Cleaving only hits mobs near the target mob and user.
 			continue
+		if(!attack_can_reach(user, SM, 1))
+			continue
 		if(resolve_attackby(SM, user, attack_modifier = 0.5)) // Hit them with the weapon.  This won't cause recursive cleaving due to the cleaving variable being set to true.
 			hit_mobs++