Potion charges accounted for in price

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

@@ -109,7 +109,13 @@ public class VendorSellMsgHandler extends AbstractClientMsgHandler {
 
                 //apply damaged value reduction
                 float damagedModifier = sell.combat_health_current / sell.template.combat_health_full;
+                float chargeModifier = 1.0f;
+
+                if (sell.chargesRemaining != 0)
+                    chargeModifier = sell.chargesRemaining * 1.0f / sell.template.item_initial_charges;
+
                 cost *= damagedModifier;
+                cost *= chargeModifier;
 
                 float bargain = player.getBargain();
                 float profit = npc.getBuyPercent(player) + bargain;