Bug#823750: Already fixed by previous commit
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1539067 is already fixed
Bug#823750: Already fixed by previous commit
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1542106
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1539067 is already fixed
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1542106