test rune vendor

src/engine/server/world/WorldServer.java

@@ -633,7 +633,12 @@ public class WorldServer {
 		//add extra vendors for lakebane
 		try {
 			Building sdrHut = BuildingManager.getBuilding(27979);
-			if (sdrHut.getHirelings() == null || sdrHut.getHirelings().size() != 1) {
+			Zone sdr = sdrHut.parentZone;
+			boolean exists = false;
+			for(NPC merchant : sdr.zoneNPCSet)
+				if(merchant.contract.getContractID() == 1200)
+					exists = true;
+			if (!exists) {
 				NPC runeMerchant = NPC.createNPC("Runey", 1200, Vector3fImmutable.ZERO, Guild.getGuild(6), ZoneManager.getZoneByUUID(656), (short) 70, null);
 				runeMerchant.sellPercent = 0;
 				runeMerchant.buildingUUID = sdrHut.getObjectUUID();