Log Message:
Remove patch-ad, which breaks self tests on NetBSD-4.99.63/amd64.
Replace first hunk of patch-af with CONFIGURE_ARGS.
Remove next two hunks of patch-af installing some private headers.
This shouldn't be necessary in the 7.x versions. If it is, the author
is willing to help fix the underlying problems.

patch-aa and -ab will be included in the next upstream release.

Bump PKGREVISION.