small clang-tidy fix

diff --git a/source/particles/data_out.cc b/source/particles/data_out.cc
index 6a17c1b2be0f25b6767a27076b3d37d78f844dc8..97d72c4f2e5897e3e2ee3b97a8ed1abc68ed6446 100644 (file)
--- a/source/particles/data_out.cc
+++ b/source/particles/data_out.cc
@@ -26,7 +26,7 @@ namespace Particles
     const Particles::ParticleHandler<dim, spacedim> &particles)
   {
     dataset_names.clear();
-    dataset_names.push_back("id");
+    dataset_names.emplace_back("id");
     patches.resize(particles.n_locally_owned_particles());
 
     auto particle = particles.begin();