Merge branch 'spol_fix' into 'devel'

Fix detect accumulate in Dualpol Spectrometer

See merge request mpifr-bdg/psrdada_cpp!16
3 jobs for devel in 10 minutes and 57 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
passed build_cuda #1384984

00:03:39

 
  Test
passed make_doc #1384986

00:04:47

passed run_tests #1384985

00:07:18