Fixed compilation in VC2008.

Also removed an unused inline header file (yuck).

src/BlockEntities/BlockEntity.h

@@ -87,10 +87,9 @@ public:
 	virtual void SendTo(cClientHandle & a_Client) = 0;
 	
 	/// Ticks the entity; returns true if the chunk should be marked as dirty as a result of this ticking. By default does nothing.
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk)
+	virtual bool Tick(float a_Dt, cChunk & /* a_Chunk */)
 	{
 		UNUSED(a_Dt);
-		UNUSED(a_Chunk); 
 		return false;
 	}