Sbromberger/fix templates

[sbromberger]

This minor change fixes the build errors I reported this morning. Built with gcc 13.2.0 and clang++ 17.0.6.

Test Results

``` Running tests... Test project /home/seth/dev/cpp/ygm/build Start 1: SEQ_test_cereal_archive 1/34 Test #1: SEQ_test_cereal_archive ............. Passed 0.01 sec Start 2: MPI_test_comm 2/34 Test #2: MPI_test_comm ....................... Passed 0.22 sec Start 3: MPI_test_comm_2 3/34 Test #3: MPI_test_comm_2 ..................... Passed 0.65 sec Start 4: MPI_test_barrier 4/34 Test #4: MPI_test_barrier .................... Passed 0.17 sec Start 5: MPI_test_layout 5/34 Test #5: MPI_test_layout ..................... Passed 0.20 sec Start 6: MPI_test_large_messages 6/34 Test #6: MPI_test_large_messages ............. Passed 0.27 sec Start 7: MPI_test_map 7/34 Test #7: MPI_test_map ........................ Passed 0.15 sec Start 8: MPI_test_multimap 8/34 Test #8: MPI_test_multimap ................... Passed 0.19 sec Start 9: MPI_test_set 9/34 Test #9: MPI_test_set ........................ Passed 0.15 sec Start 10: MPI_test_bag 10/34 Test #10: MPI_test_bag ........................ Passed 0.19 sec Start 11: MPI_test_multiset 11/34 Test #11: MPI_test_multiset ................... Passed 0.20 sec Start 12: MPI_test_array 12/34 Test #12: MPI_test_array ...................... Passed 0.20 sec Start 13: MPI_test_disjoint_set 13/34 Test #13: MPI_test_disjoint_set ............... Passed 0.15 sec Start 14: MPI_test_line_parser 14/34 Test #14: MPI_test_line_parser ................ Passed 1.06 sec Start 15: MPI_test_csv_parser 15/34 Test #15: MPI_test_csv_parser ................. Passed 0.10 sec Start 16: MPI_test_csv_headers 16/34 Test #16: MPI_test_csv_headers ................ Passed 0.16 sec Start 17: MPI_test_multi_output 17/34 Test #17: MPI_test_multi_output ............... Passed 0.20 sec Start 18: MPI_test_daily_output 18/34 Test #18: MPI_test_daily_output ............... Passed 0.20 sec Start 19: MPI_test_interrupt_mask 19/34 Test #19: MPI_test_interrupt_mask ............. Passed 0.14 sec Start 20: MPI_test_random 20/34 Test #20: MPI_test_random ..................... Passed 0.22 sec Start 21: MPI_test_container_traits 21/34 Test #21: MPI_test_container_traits ........... Passed 0.16 sec Start 22: MPI_test_collective 22/34 Test #22: MPI_test_collective ................. Passed 0.18 sec Start 23: MPI_test_traits 23/34 Test #23: MPI_test_traits ..................... Passed 0.19 sec Start 24: MPI_test_concepts 24/34 Test #24: MPI_test_concepts ................... Passed 0.06 sec Start 25: MPI_test_recursion_large_messages 25/34 Test #25: MPI_test_recursion_large_messages ... Passed 0.25 sec Start 26: MPI_test_recursion_progress 26/34 Test #26: MPI_test_recursion_progress ......... Passed 0.11 sec Start 27: MPI_test_gather_topk 27/34 Test #27: MPI_test_gather_topk ................ Passed 0.28 sec Start 28: MPI_test_reduce 28/34 Test #28: MPI_test_reduce ..................... Passed 0.18 sec Start 29: MPI_test_transform 29/34 Test #29: MPI_test_transform .................. Passed 0.19 sec Start 30: SEQ_test_cereal_boost_json 30/34 Test #30: SEQ_test_cereal_boost_json .......... Passed 0.01 sec Start 31: SEQ_test_cereal_boost_container 31/34 Test #31: SEQ_test_cereal_boost_container ..... Passed 0.01 sec Start 32: MPI_test_ndjson_parser 32/34 Test #32: MPI_test_ndjson_parser .............. Passed 0.18 sec Start 33: MPI_test_parquet_reader 33/34 Test #33: MPI_test_parquet_reader ............. Passed 0.20 sec Start 34: MPI_test_parquet_reader_json 34/34 Test #34: MPI_test_parquet_reader_json ........ Passed 0.22 sec 100% tests passed, 0 tests failed out of 34 Total Test time (real) = 7.08 sec ```