imagemagick: bump version to 7.0.4-3 (security)

Fixes CVE-2016-8707 (Fix possible buffer overflow when writing
compressed TIFFS). This CVE fix is included since 7.0.3-9:
  http://git.imagemagick.org/repos/ImageMagick/commit/fde5f55af94f189f16958535a9c22b439d71ac93

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2 files changed