fix SDL_gpu_vulkan validation warning

src/gpu/vulkan/SDL_gpu_vulkan.c

@@ -6209,6 +6209,8 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
         colorAttachmentReferences[colorAttachmentReferenceCount].attachment = attachmentDescriptionCount;
         colorAttachmentReferences[colorAttachmentReferenceCount].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
+        resolveReferences[colorAttachmentReferenceCount].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
         attachmentDescriptionCount += 1;
 
         if (colorTargetInfos[i].store_op == SDL_GPU_STOREOP_RESOLVE || colorTargetInfos[i].store_op == SDL_GPU_STOREOP_RESOLVE_AND_STORE) {
@@ -6225,7 +6227,6 @@ static VkRenderPass VULKAN_INTERNAL_CreateRenderPass(
             attachmentDescriptions[attachmentDescriptionCount].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
             resolveReferences[colorAttachmentReferenceCount].attachment = attachmentDescriptionCount;
-            resolveReferences[colorAttachmentReferenceCount].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
             attachmentDescriptionCount += 1;
             resolveReferenceCount += 1;