sampling : also use upper bits for initializing state

src/llama-sampler.cpp

@@ -416,7 +416,7 @@ struct blue_noise_rng {
             {-1, -1},
         };
         for (int i = 0; i < n; i++) {
-            uint32_t h = rng->next32() % 10;
+            uint32_t h = (uint32_t)(((uint64_t)rng->next32() * 10) >> 32);
             states[i] = {tbl[h][0], tbl[h][1]}; // random initial state
         }
     }