multiWriteCloser.Close() has a bug.

[luhaosg]

hugo/common/hugio/writers.go

Line 37 in de9c554

if closeErr := c.Close(); err != nil {

I think it need to fix as :

if closeErr := c.Close(); closeErr != nil {

func (m multiWriteCloser) Close() error {
	var err error
	for _, c := range m.closers {
		if closeErr := c.Close(); err != nil {
			err = closeErr
		}
	}
	return err
}

[bep]

Thanks, good catch.

[github-actions]

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