From b325f4d0af2a668b84b85f642aac2933bff5f731 Mon Sep 17 00:00:00 2001
From: Corentin Wallez <cwallez@chromium.org>
Date: Thu, 23 Nov 2017 10:31:52 -0800
Subject: [PATCH] Fix compilation of Vulkan backend on Windows

---
 src/backend/vulkan/VulkanBackend.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/vulkan/VulkanBackend.cpp b/src/backend/vulkan/VulkanBackend.cpp
index 93b9aa6a09..926de57e77 100644
--- a/src/backend/vulkan/VulkanBackend.cpp
+++ b/src/backend/vulkan/VulkanBackend.cpp
@@ -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;