Fix data length calculation for hash #3829

Job	Run time
git_checks	9s
format	23s
macos (macos11, serial)	8m 18s
macos (macos12, serial)	6m 54s
linux (el8, gcc8, serial)	15m 36s
docker (ubuntu-bionic)	11m 54s
linux (el8, gcc8, mpi)	35m 53s
linux_emu	0s
linux (el8, gcc9, serial)	12m 13s
windows (win2019, serial)	8m 9s
linux (el8, gcc9, mpi)	34m 16s
linux (el8, gcc10, serial)	13m 1s
linux (el8, gcc10, mpi)	36m 15s
windows (win2019, mpi)	15m 17s
linux (el8, gcc11, serial)	11m 28s
linux (el8, gcc11, mpi)	37m 6s
windows (win2022, serial)	11m 40s
linux (el8, icc, serial)	18m 17s
windows (win2022, mpi)	13m 0s
linux (el8, icc, mpi)	50m 27s
linux (el8, oneapi, serial)	16m 32s
linux (el8, oneapi, mpi)	38m 15s
linux (el8, nvhpc222, serial)	17m 22s
linux (el8, nvhpc222, mpi)	56m 30s
linux (el8, cuda, serial, build_only)	12m 44s
linux (el8, cuda, serial, kokkos, build_only)	10m 59s
linux (el8, gcc10, mpich)	53m 31s
contract (examples)	2m 52s
contract (lammps)	6m 5s
contract (tau)	23m 48s
build_and_test	0s
	9h 38m 54s

Provide feedback