meson: add a test setup for valgrind

To run valgrind properly, we need a couple of arguments passed in so we check
for leaks and don't fail on bits of the stack we don't control. Add a
mesontest setup for this, the lot can now be run by

   mesontest --setup=valgrind

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

0 files changed, 0 insertions, 0 deletions