Ignore malformed orders instead of crashing.

OpenRA.Game/Network/Order.cs

@@ -75,6 +75,8 @@ namespace OpenRA
 		}
 
 		public static Order Deserialize(World world, BinaryReader r)
+		{
+			try
 			{
 				var magic = r.ReadByte();
 				switch (magic)
@@ -171,6 +173,18 @@ namespace OpenRA
 					}
 				}
 			}
+			catch (Exception e)
+			{
+				Log.Write("debug", "Caught exception while processing order");
+				Log.Write("debug", e.ToString());
+
+				// HACK: this can hopefully go away in the future
+				Game.Debug("Ignoring malformed order that would have crashed the game");
+				Game.Debug("Please file a bug report and include the replay from this match");
+
+				return null;
+			}
+		}
 
 		static uint UIntFromActor(Actor a)
 		{