Fixed VulkanUsage::Init for Vulkan SDK not supporting new Vulkan 1.3, to fix CI builds
diff --git a/src/VulkanSample.cpp b/src/VulkanSample.cpp
index 87f8a42..dedc3ee 100644
--- a/src/VulkanSample.cpp
+++ b/src/VulkanSample.cpp
@@ -486,9 +486,15 @@
     switch(appInfo.apiVersion)
     {
     case VK_API_VERSION_1_0: wprintf(L"1.0\n"); break;
+#ifdef VK_VERSION_1_1
     case VK_API_VERSION_1_1: wprintf(L"1.1\n"); break;
+#endif
+#ifdef VK_VERSION_1_2
     case VK_API_VERSION_1_2: wprintf(L"1.2\n"); break;
+#endif
+#ifdef VK_VERSION_1_3
     case VK_API_VERSION_1_3: wprintf(L"1.3\n"); break;
+#endif
     default: assert(0);
     }