AgentHeightWidth

Message Layout

{
	AgentHeightWidth Low NotTrusted Unencoded
	{
		AgentData			Single
		{	AgentID			LLUUID		}
		{	SessionID		LLUUID		}
		{	CircuitCode		U32		}
	}
	{
		HeightWidthBlock	Single
		{	GenCounter		U32		}
		{	Height			U16	}
		{	Width			U16	}
	}
}