Upgrade formatting to clang-format 10 (#5895)

* Update formatting tools to clang-format-10

* Reformat using clang-format-10.0.09

unit_tests/engine/offline_facade.cpp

@@ -18,9 +18,9 @@ namespace offline
 struct Algorithm final
 {
 };
-}
+} // namespace offline
 
-} // routing_algorithms
+} // namespace routing_algorithms
 
 // Define engine data for offline data facade
 template <> struct SearchEngineData<routing_algorithms::offline::Algorithm>
@@ -386,7 +386,7 @@ class ContiguousInternalMemoryDataFacade<routing_algorithms::offline::Algorithm>
     }
 };
 
-} // datafacade
+} // namespace datafacade
 
 // Fallback to MLD algorithm: requires from data facade MLD specific members
 namespace routing_algorithms
@@ -427,11 +427,11 @@ void unpackPath(const FacadeT &facade,
     mld::unpackPath(facade, packed_path_begin, packed_path_end, phantom_nodes, unpacked_path);
 }
 
-} // offline
-} // routing_algorithms
+} // namespace offline
+} // namespace routing_algorithms
 
-} // engine
-} // osrm
+} // namespace engine
+} // namespace osrm
 
 BOOST_AUTO_TEST_SUITE(offline_facade)