DEVELOPERS: add Joachim to projects he's the upstream maintainer
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 48810c229695ef3eae02dab5b5a8d37d5eae41c2)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>