From d5d34de4dbc9bf4696b7514c92fe2b48f7263f52 Mon Sep 17 00:00:00 2001
From: Sylvain Becker <sylvain.becker@gmail.com>
Date: Wed, 23 Oct 2019 09:17:53 +0200
Subject: [PATCH] Fixed bug 4839 - Read of uninitialized memory in
 Win32_ResizeWindowShape (Thanks!)

---
 src/video/windows/SDL_windowsshape.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/video/windows/SDL_windowsshape.c b/src/video/windows/SDL_windowsshape.c
index e013a7492..b533fd367 100644
--- a/src/video/windows/SDL_windowsshape.c
+++ b/src/video/windows/SDL_windowsshape.c
@@ -34,6 +34,7 @@ Win32_CreateShaper(SDL_Window * window) {
     result->mode.mode = ShapeModeDefault;
     result->mode.parameters.binarizationCutoff = 1;
     result->userx = result->usery = 0;
+    result->hasshape = SDL_FALSE;
     result->driverdata = (SDL_ShapeData*)SDL_malloc(sizeof(SDL_ShapeData));
     ((SDL_ShapeData*)result->driverdata)->mask_tree = NULL;
     /* Put some driver-data here. */