regtest: add C++11 flag to build of user_histo1.cpp
commit3b93737876f443709ee0cec81627fe1186f44862
authorPaul Floyd <pjfloyd@wanadoo.fr>
Sat, 22 Apr 2023 07:37:25 +0000 (22 09:37 +0200)
committerPaul Floyd <pjfloyd@wanadoo.fr>
Sat, 22 Apr 2023 07:38:35 +0000 (22 09:38 +0200)
tree94ae43a42daa4827a4f14634b9c5c5fe73380dd6
parentc8832cb2ddf08c6f8c28ff4fd511561e15ec120e
regtest: add C++11 flag to build of user_histo1.cpp

For old compilers that don't default to C++11 or later
dhat/tests/Makefile.am