Fix Typo in Adaptive task

Src/Adaptive/FAdaptiveTask.hpp

@@ -142,7 +142,7 @@ public:
         {
           #pragma omp critical
           {
-            _kernels[omp_get_num_thread()] = std::make_unique<kernel_t>(*kernel);
+            _kernels[omp_get_thread_num()] = std::make_unique<kernel_t>(*kernel);
           }
         }
     }