Refined the vulkan version header checks

Author: robertosfield

include/vsg/vk/vulkan.h

@@ -806,6 +806,10 @@ typedef VkDeviceAddress(VKAPI_PTR* PFN_vkGetBufferDeviceAddressKHR_Compatibility
 //  Definitions not provided prior to 1.3.211
 //
 #if VK_HEADER_VERSION < 204
+#define VK_API_VERSION_1_3 VK_MAKE_VERSION(1, 3, 0)
+#endif
+
+#if VK_HEADER_VERSION < 211
 typedef enum VkInstanceCreateFlagBits {
     VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR = 0x00000001,
     VK_INSTANCE_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF
@@ -815,9 +819,6 @@ typedef VkFlags VkInstanceCreateFlags;
 #define VK_KHR_portability_enumeration 1
 #define VK_KHR_PORTABILITY_ENUMERATION_SPEC_VERSION 1
 #define VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME "VK_KHR_portability_enumeration"
-
-#define VK_API_VERSION_1_3 VK_MAKE_VERSION(1, 3, 0)
-
 #endif
 
 //