- don't let Vulkan access the vid_vsync variable directly.

Since the FrameBuffers have a SetVsync method anything these last set must count, not the global variable directly.

src/rendering/vulkan/system/vk_framebuffer.h

@@ -25,6 +25,7 @@ public:
 	VulkanDevice *device;
 	std::unique_ptr<VulkanSwapChain> swapChain;
 	uint32_t presentImageIndex = 0xffffffff;
+	bool cur_vsync;
 
 	VulkanCommandBuffer *GetTransferCommands();
 	VulkanCommandBuffer *GetDrawCommands();