message: Fix compilation of Vulkan backend on Windows
diff: @@ -381,8 +381,8 @@ namespace vulkan {
  // Find a universal queue family
  {
  constexpr uint32_t kUniversalFlags = VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_COMPUTE_BIT | VK_QUEUE_TRANSFER_BIT;
  - ssize_t universalQueueFamily = -1;
  - for (size_t i = 0; i < deviceInfo.queueFamilies.size(); ++i) {
  + int universalQueueFamily = -1;
  + for (unsigned int i = 0; i < deviceInfo.queueFamilies.size(); ++i) {
  if ((deviceInfo.queueFamilies[i].queueFlags & kUniversalFlags) == kUniversalFlags) {
  universalQueueFamily = i;
  break;
  