Fix memory leaks in gncOwnerGetBalanceInCurrency

libgnucash/engine/gncOwner.c

@@ -1493,7 +1493,10 @@ gncOwnerGetBalanceInCurrency (const GncOwner *owner,
                balance = gnc_numeric_add (balance, lot_balance,
                                           gnc_commodity_get_fraction (owner_currency), GNC_HOW_RND_ROUND_HALF_UP);
         }
+        g_list_free (lot_list);
     }
+    g_list_free (acct_list);
+    g_list_free (acct_types);
 
     pdb = gnc_pricedb_get_db (book);