From 492ba412f07f33e24cf145000ffa508a38fb024d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Thu, 9 Apr 2020 16:13:44 +0200
Subject: [PATCH] Platform: cleanup X11 stuff only if it's there.

Of course, widely expepted assumptions DO NOT work here. It doesn't
even report an error, it crashes straight away.
---
 src/Magnum/Platform/AbstractXApplication.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Magnum/Platform/AbstractXApplication.cpp b/src/Magnum/Platform/AbstractXApplication.cpp
index f829e890d..4deaa8e16 100644
--- a/src/Magnum/Platform/AbstractXApplication.cpp
+++ b/src/Magnum/Platform/AbstractXApplication.cpp
@@ -114,8 +114,8 @@ AbstractXApplication::~AbstractXApplication() {
     _contextHandler.reset();
 
     /* Shut down X */
-    XDestroyWindow(_display, _window);
-    XCloseDisplay(_display);
+    if(_window) XDestroyWindow(_display, _window);
+    if(_display) XCloseDisplay(_display);
 }
 
 void AbstractXApplication::swapBuffers() {