From 0b07ea63cb367c50e01d30e89e4f0d2007728b23 Mon Sep 17 00:00:00 2001
From: Marcus Huderle <huderlem@gmail.com>
Date: Fri, 14 Sep 2018 18:37:41 -0500
Subject: [PATCH] Fix memory leak when going back in edit/undo history

---
 map.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/map.h b/map.h
index f2e1ff2d..8c3ecaa4 100755
--- a/map.h
+++ b/map.h
@@ -21,6 +21,9 @@ public:
         this->layoutWidth = layoutWidth_;
         this->layoutHeight = layoutHeight_;
     }
+    ~HistoryItem() {
+        if (metatiles) delete metatiles;
+    }
 };
 
 template <typename T>
@@ -43,7 +46,9 @@ public:
     }
     void push(T commit) {
         while (head + 1 < history.length()) {
+            HistoryItem *item = history.last();
             history.removeLast();
+            delete item;
         }
         if (saved > head) {
             saved = -1;