package/imagemagick: security bump to version 7.0.7-38
Fixes CVE-2018-11625, CVE-2018-11624 & CVE-2018-10177.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit c3387c59bb6b5ccb89bb7acd7db05a8655eb71c5)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>