From 84bdce01f291fb9b19b64655dda3265bb0a4252b Mon Sep 17 00:00:00 2001
From: Younguk Kim <bluekyu.dev@gmail.com>
Date: Mon, 1 Jan 2018 18:14:48 +0900
Subject: [PATCH] Fix crash by end iterator while closing a window

---
 panda/src/display/graphicsEngine.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/panda/src/display/graphicsEngine.cxx b/panda/src/display/graphicsEngine.cxx
index 1a38089e01..eca453900e 100644
--- a/panda/src/display/graphicsEngine.cxx
+++ b/panda/src/display/graphicsEngine.cxx
@@ -529,7 +529,7 @@ remove_window(GraphicsOutput *window) {
   // Also check whether it is in _new_windows.
   {
     MutexHolder new_windows_holder(_new_windows_lock, current_thread);
-    _new_windows.erase(std::remove(_new_windows.begin(), _new_windows.end(), ptwin));
+    _new_windows.erase(std::remove(_new_windows.begin(), _new_windows.end(), ptwin), _new_windows.end());
   }
 
   if (count == 0) {