boons are nation friendly

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

@@ -147,7 +147,7 @@ public class MerchantMsgHandler extends AbstractClientMsgHandler {
         Building shrineBuilding;
         Shrine shrine;
 
-        if (npc.getGuild() != player.getGuild())
+        if (!npc.getGuild().getNation().equals(player.getGuild().getNation()))
             return;
 
         shrineBuilding = npc.getBuilding();