SDL: testffmpeg_vulkan: fixed goto jump past variable initialization

SDL Commits
1 
From 094213b3be95b4007eedc33ba8665a62263a384f Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 10 Jul 2026 10:07:50 -0700
Subject: [PATCH] testffmpeg_vulkan: fixed goto jump past variable
 initialization

---
 test/testffmpeg_vulkan.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/testffmpeg_vulkan.c b/test/testffmpeg_vulkan.c
index bd469ea367fa3..a4d6b354bc640 100644
--- a/test/testffmpeg_vulkan.c
+++ b/test/testffmpeg_vulkan.c
@@ -559,10 +559,10 @@ static int createDevice(VulkanVideoContext *context)
         VK_KHR_VIDEO_DECODE_AV1_EXTENSION_NAME
     };
     VkDeviceCreateInfo deviceCreateInfo;
-    SDL_zero(deviceCreateInfo);
     VkDeviceQueueCreateInfo *queueCreateInfos = NULL;
     uint32_t queueCreateInfoCount = 0;
     VulkanDeviceFeatures supported_features;
+    const char **deviceExtensionsCopy = NULL;
     VkResult result = VK_ERROR_UNKNOWN;
 
     if (addQueueFamily(&queueCreateInfos, &queueCreateInfoCount, context->presentQueueFamilyIndex, context->presentQueueCount) < 0 ||
@@ -578,6 +578,7 @@ static int createDevice(VulkanVideoContext *context)
     context->vkGetPhysicalDeviceFeatures2(context->physicalDevice, &supported_features.device_features);
     copyDeviceFeatures(&supported_features, &context->features);
 
+    SDL_zero(deviceCreateInfo);
     deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
     deviceCreateInfo.queueCreateInfoCount = queueCreateInfoCount;
     deviceCreateInfo.pQueueCreateInfos = queueCreateInfos;
@@ -585,7 +586,7 @@ static int createDevice(VulkanVideoContext *context)
     deviceCreateInfo.enabledExtensionCount = SDL_arraysize(deviceExtensionNames);
     deviceCreateInfo.pNext = &context->features.device_features;
 
-    const char **deviceExtensionsCopy = (const char **)SDL_calloc(deviceCreateInfo.enabledExtensionCount + SDL_arraysize(optional_extensions), sizeof(const char *));
+    deviceExtensionsCopy = (const char **)SDL_calloc(deviceCreateInfo.enabledExtensionCount + SDL_arraysize(optional_extensions), sizeof(const char *));
     for (uint32_t i = 0; i < deviceCreateInfo.enabledExtensionCount; i++) {
         deviceExtensionsCopy[i] = deviceExtensionNames[i];
     }