kernel/throne_tracker: Fix missing variable in function my_actor (#266)

kernel/throne_tracker.c

@@ -184,7 +184,7 @@ FILLDIR_RETURN_TYPE my_actor(struct dir_context *ctx, const char *name,
 		list_add_tail(&data->list, my_ctx->data_path_list);
 	} else {
 		if ((namelen == 8) && (strncmp(name, "base.apk", namelen) == 0)) {
-			struct apk_path_hash *pos;
+			struct apk_path_hash *pos, *n;
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0)
 			unsigned int hash = full_name_hash(dirpath, strlen(dirpath));
 #else
@@ -434,4 +434,4 @@ void ksu_throne_tracker_init()
 void ksu_throne_tracker_exit()
 {
 	// nothing to do
-}
+}