"GET /1/threads" replaced to "GET /2/backends".

src/crypto/rx/Rx.h

@@ -42,6 +42,7 @@ class RxDataset;
 class Rx
 {
 public:
+    static RxDataset *dataset();
     static RxDataset *dataset(const uint8_t *seed, const Algorithm &algorithm, bool hugePages = true);
     static void stop();
 };