Merge branch 'scop-grep-E'

[sysstat] / tests / 01640

LC_ALL=C TZ=GMT ./sadf -r tests/data-wghfreq.tmp -- -m FREQ -P ALL > tests/out.data-wghfreq-sadf-r.tmp && diff -u tests/expected.data-wghfreq-sadf-r tests/out.data-wghfreq-sadf-r.tmp