Only warn about servername logging if relevant #2154
Merged
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The warning about $use_servername_for_filenames is long and may not affect users. If they use a normal $name, there would effectively be no difference. This compares $name to $normalized_servername. The warning is only relevant Only if they differ.
Technically there could be a space in $servername (since there is no data type to enforce validation) but Apache wouldn't accept that anyway.
It also fixes two typos in the warnings.
Please make sure my logic is correct here, I'm not 100% sure it is.