Fix crash when loading an outdoors saved game

src/boe.actions.cpp

@@ -2152,7 +2152,8 @@ void do_load() {
 void post_load() {
 	current_switch = 6;
 	
-	reset_item_max();
+	if(!is_out())
+		reset_item_max();
 	
 	if(overall_mode == MODE_OUTDOORS)
 		update_explored(univ.party.p_loc);

src/boe.items.cpp

@@ -764,7 +764,7 @@ void place_glands(location where,mon_num_t m_type) {
 }
 
 void reset_item_max() {
-	while(univ.town.items.back().variety == eItemType::NO_ITEM)
+	while(!univ.town.items.empty() && univ.town.items.back().variety == eItemType::NO_ITEM)
 		univ.town.items.pop_back();
 }