Give every immediate order its own framing

OpenRA.Game/Network/Connection.cs

@@ -67,13 +67,15 @@ namespace OpenRA.Network
 		}
 
 		public virtual void SendImmediate(IEnumerable<byte[]> orders)
+		{
+			foreach (var o in orders)
 			{
 				var ms = new MemoryStream();
 				ms.WriteArray(BitConverter.GetBytes(0));
-			foreach (var o in orders)
 				ms.WriteArray(o);
 				Send(ms.ToArray());
 			}
+		}
 
 		public virtual void SendSync(int frame, byte[] syncData)
 		{