Change qw() to qw[] in warn_level()
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@ -101,7 +101,7 @@ sub warn_handler {
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sub warn_level {
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my ( $self, @warnings ) = @_;
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my @levels = ( keys %Qpsmtpd::Constants::log_levels,
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qw( LOGWARNING LOGCRITICAL LOGEMERGENCY ) );
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qw[ LOGWARNING LOGCRITICAL LOGEMERGENCY ] );
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my $levels = join '|', map { s/^LOG//; $_ } @levels;
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$warnings[0] =~ s/^($levels):\s*//;
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my $prefix = $1;
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