Makefile.inc is also included by the tests subdirectory, which results
in SUBDIRS having tests added to it, which fails. Work around this by
checking to make sure tests exists before adding it to subdirs and
work to get the generated file fixed so we can rename Makefile.inc to
something else so it isn't automatically included by subdirs...
MFV: re-add svn:mime-type where needed
MFV: re-add svn:mime-type where needed
Bump FreeBSD_version for src.opts.mk changes (about a week late).