SDL: Fix memory leak in KMSDRM_Vulkan_CreateSurface

SDL Commits
1 
From 2df9c15e96c45fd89d0cf5e6fb890397df4b76f9 Mon Sep 17 00:00:00 2001
From: Mathieu Eyraud <[EMAIL REDACTED]>
Date: Mon, 22 Feb 2021 14:51:42 +0100
Subject: [PATCH] Fix memory leak in KMSDRM_Vulkan_CreateSurface

Variable `device_props` is never freed.
---
 src/video/kmsdrm/SDL_kmsdrmvulkan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video/kmsdrm/SDL_kmsdrmvulkan.c b/src/video/kmsdrm/SDL_kmsdrmvulkan.c
index 76a293b5a..130a14240 100644
--- a/src/video/kmsdrm/SDL_kmsdrmvulkan.c
+++ b/src/video/kmsdrm/SDL_kmsdrmvulkan.c
@@ -440,6 +440,8 @@ SDL_bool KMSDRM_Vulkan_CreateSurface(_THIS,
         SDL_free (physical_devices);
     if (displays_props)
         SDL_free (displays_props);
+    if (device_props)
+        SDL_free (device_props);
     if (planes_props)
         SDL_free (planes_props);
     if (modes_props)