Changes to API for HiveOS support.

src/crypto/argon2_hasher/hash/gpu/cuda/CudaHasher.h

@@ -99,6 +99,7 @@ public:
     virtual int compute(int threadIdx, uint8_t *input, size_t size, uint8_t *output);
     virtual size_t parallelism(int workerIdx);
     virtual size_t deviceCount();
+    virtual DeviceInfo &device(int workerIdx);
 
 private:
     CudaDeviceInfo *getDeviceInfo(int device_index);