Renamed class to not conflict with the java.lang version.

src/engine/net/client/handlers/ArcMineWindowAvailableTimeHandler.java

@@ -1,9 +1,9 @@
 package engine.net.client.handlers;
 
-import engine.Enum;
-import engine.Enum.DispatchChannel;
 import engine.exception.MsgSendException;
 import engine.gameManager.BuildingManager;
+import engine.mbEnums;
+import engine.mbEnums.DispatchChannel;
 import engine.net.Dispatch;
 import engine.net.DispatchMessage;
 import engine.net.client.ClientConnection;
@@ -40,7 +40,7 @@ public class ArcMineWindowAvailableTimeHandler extends AbstractClientMsgHandler
         if (treeOfLife.getBlueprintUUID() == 0)
             return true;
 
-        if (treeOfLife.getBlueprint().getBuildingGroup() != Enum.BuildingGroup.TOL)
+        if (treeOfLife.getBlueprint().getBuildingGroup() != mbEnums.BuildingGroup.TOL)
             return true;
 
         if (playerCharacter == null)