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Commit ef6e3f36 authored by Catherine Pitt's avatar Catherine Pitt
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Remove deprecated 'keys on scalar' usage

Can't say "keys $foo", must say "keys %{$foo}" to get the keys of a hash
pointed to by a hash reference $foo. This broke with the perl in focal.
parent c46ffcfa
......@@ -159,7 +159,7 @@ $controlq->enqueue(D_WRITER|M_STOP);
foreach my $wrthread (keys($writers)) { $writers->{$wrthread}->join();}
foreach my $wrthread (keys(%{$writers})) { $writers->{$wrthread}->join();}
# Handle SIGTERM: send stop messages to all threads and stop cleanly.
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