NPC buildings dont run out of gold space on buildings

src/engine/net/client/ClientMessagePump.java

@@ -1443,7 +1443,7 @@ public class ClientMessagePump implements NetMsgHandler {
                             if (b != null && b.getProtectionState().equals(ProtectionState.NPC))
                                 b = null;
                             int buildingDeposit = cost - me.getMagicValue();
-                            if (b != null && (b.getStrongboxValue() + buildingDeposit) > b.getMaxGold()) {
+                            if (b != null && (b.getStrongboxValue() + buildingDeposit) > b.getMaxGold() && !b.isOwnerIsNPC()) {
                                 ErrorPopupMsg.sendErrorPopup(sourcePlayer, 206);
                                 return;
                             }