Fix hittable damage applied to common hits (#942)

* Update l4d2_hittable_control

* Minor clear up fix

* Fix hittable damage applied on other source

Author: jensewe

addons/sourcemod/plugins/optional/l4d2_hittable_control.smx

@@ -140,7 +140,7 @@ public Plugin myinfo =
 {
 	name = "L4D2 Hittable Control",
 	author = "Stabby, Visor, Sir, Derpduck, Forgetest",
-	version = "0.9",
+	version = "0.9.1",
 	description = "Allows for customisation of hittable damage values (and debugging)"
 };
 
@@ -360,6 +360,14 @@ public void OnEntityCreated(int entity, const char[] classname)
 	}
 }
 
+public void OnEntityDestroyed(int entity)
+{
+	if (entity > 0 && entity < MAX_EDICTS)
+	{
+		g_nPhysicsHitInfoEntry[entity] = -1;
+	}
+}
+
 void Physics_OnSpawnPost(int entity)
 {
 	int parent = GetEntPropEnt(entity, Prop_Send, "m_hOwnerEntity");