kernel: don't use typedef for enums or non-opaque structs

dev/core.c

@@ -3,7 +3,7 @@
 #include <socks/device.h>
 
 static struct device *root_device = NULL;
-static object_type_t device_type = {
+static struct object_type device_type = {
 	.ob_name = "device",
 	.ob_size = sizeof(struct device),
 	.ob_ops = {
@@ -31,7 +31,7 @@ kern_status_t set_root_device(struct device *dev)
 
 struct device *device_alloc(void)
 {
-	object_t *dev_object = object_create(&device_type);
+	struct object *dev_object = object_create(&device_type);
 	if (!dev_object) {
 		return NULL;
 	}