g_malloc0 needs g_free instead of free.
While fixing this, I also replaced g_malloc0 by g_new0
as was suggested by Stuart Brady.
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>