fix wrong linebreak in result writer

qdp_project/src/Benchmark.cpp

@@ -209,7 +209,7 @@ int main() {
         const auto time_end = std::chrono::steady_clock::now();
 
         if (i >= WARMUP_ITERATION_COUNT) {
-            fout << i << ";" << std::chrono::duration_cast<std::chrono::nanoseconds>(time_end - time_start).count() << std::endl << ";" << DATA_DST_[0] << ";" << std::endl;
+            fout << i << ";" << std::chrono::duration_cast<std::chrono::nanoseconds>(time_end - time_start).count() << ";" << std::hex << DATA_DST_[0] << std::dec << ";" << std::endl;
         }
 
         for (std::barrier<NopStruct>* b : BARRIERS_) {