conf/112997: Add note about the 'native' mtune option to share/examples/etc/make.conf

[Remko Lodder]

Hello,

The attached patch was unreadable, can you perhaps copy paste it in, or
attach it as .txt file?

Thanks!



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Kind regards,

     Remko Lodder               ** remko at elvandar.org
     FreeBSD                    ** remko at FreeBSD.org

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