package/mosquitto: bump to version 2.0.18
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 236dc1015cbda9b0c3479e2f37cb09c507da04dc)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>