Minor class cleanup

src/engine/gameManager/ForgeManager.java

@@ -121,7 +121,7 @@ public enum ForgeManager implements Runnable {
         return rollingDuration;
     }
 
-    public static int getAvailableSlots(WorkOrder workOrder) {
+    public static int calcAvailableSlots(WorkOrder workOrder) {
 
         int availableSlots = workOrder.vendor.getRank();