test: cmakelists: avoided trying symlinking a directory to itself for in-tree builds
2.8.2 release
test: TestCupt: get_inc_path: support symlinked 't' directory

(cherry picked from commit 6a53331f37975051317c0780b510e5655f13ea90)
Merge tag '2.8.2'

Conflicts:
	debian/changelog
	test/run.sh