r8 gets extra hireling slot

src/engine/objects/Blueprint.java

@@ -376,9 +376,11 @@ this.maxRank = rs.getInt("MaxRank");
             case 5:
             case 6:
             case 7:
-            case 8:
                 availableSlots = 3;
                 break;
+            case 8:
+                availableSlots = 4;
+                break;
             default:
                 availableSlots = 0;
                 break;