persistent timers in storage subdirectory

src/common/namedb/namedb.h

@@ -42,7 +42,7 @@ struct namedb_api {
/* Context operations */
-	knot_namedb_t *(*init)(const char *handle, mm_ctx_t *mm);
+	knot_namedb_t *(*init)(const char *config, mm_ctx_t *mm);
void (*deinit)(knot_namedb_t *db);
/* Transactions */