layers: fix compile problems for WIN32
diff --git a/loader/loader.h b/loader/loader.h
index 685df96..b843082 100644
--- a/loader/loader.h
+++ b/loader/loader.h
@@ -505,9 +505,9 @@
void loaderActivateInstanceLayerExtensions(struct loader_instance *inst, VkInstance created_inst);
-VkResult loader_layer_create_device(VkInstance instance, VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo,
+VKAPI_ATTR VkResult VKAPI_CALL loader_layer_create_device(VkInstance instance, VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo,
const VkAllocationCallbacks *pAllocator, VkDevice *pDevice, PFN_vkGetInstanceProcAddr layerGIPA, PFN_vkGetDeviceProcAddr *nextGDPA);
-void loader_layer_destroy_device(VkDevice device, const VkAllocationCallbacks *pAllocator, PFN_vkDestroyDevice destroyFunction);
+VKAPI_ATTR void VKAPI_CALL loader_layer_destroy_device(VkDevice device, const VkAllocationCallbacks *pAllocator, PFN_vkDestroyDevice destroyFunction);
VkResult loader_create_device_chain(const VkPhysicalDevice pd, const VkDeviceCreateInfo *pCreateInfo,
const VkAllocationCallbacks *pAllocator, const struct loader_instance *inst,
