From 2217984a5d529f512222f7f40cea463f9f5c8be0 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sun, 24 May 2020 09:15:15 -0600
Subject: [PATCH] Fix 64-bit compilation.

---
 source/particles/particle_handler.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/particles/particle_handler.cc b/source/particles/particle_handler.cc
index 3a73b57f2f..c3bd419c57 100644
--- a/source/particles/particle_handler.cc
+++ b/source/particles/particle_handler.cc
@@ -295,7 +295,7 @@ namespace Particles
 
 
   template <int dim, int spacedim>
-  unsigned int
+  types::particle_index
   ParticleHandler<dim, spacedim>::n_particles_in_cell(
     const typename Triangulation<dim, spacedim>::active_cell_iterator &cell)
     const
-- 
2.39.5