MFH: r563805
mail/dma: Fix build and improve pkg-message
- Replace deprecated NO_WERROR by MK_WERROR=no
- Tweak pkg-message to mention that dma is also in base [1]
PR: 252045 [1]
Submitted by: Dan Mahoney <freebsd@gushi.org>
Sponsored by: Rubicon Communications, LLC ("Netgate")