Complete manage blaslt handle

Signed-off-by: wenjh <wenjh@sugon.com>

transformer_engine/common/gemm/rocm_gemm.cu

@@ -893,10 +893,12 @@ static void CreateHipBlasLtHandle(hipblasLtHandle_t* handle) {
 }
 
 static void DestroyHipBlasLtHandle(hipblasLtHandle_t handle) {
+  if(handle != nullptr)
     NVTE_CHECK_HIPBLASLT(hipblasLtDestroy(handle));
+  }
 }
 
-using hipBlasLtHandleManager = detail::HandleManager<hipblasLtHandle_t, CreateHipBlasLtHandle>;
+using hipBlasLtHandleManager = detail::HandleManager<hipblasLtHandle_t, CreateHipBlasLtHandle, DestroyHipBlasLtHandle>;
 
 transformer_engine::DType get_transformer_engine_dtype_from_hipblaslt_dtype(const hipDataType t) {
   using namespace transformer_engine;