Update to version 6.9.0-0.

These fixes cover among others:
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8716
  http://secunia.com/advisories/61943/

Upstream changes:

2014-11-16 6.9.0-0 Cristy <quetzlzacatenango@image...>
    New version 6.9.0-0, SVN revision 17067.

2014-11-03 6.9.0-0 Cristy <quetzlzacatenango@image...>
    Check for zero-sized rendered SVG image (bug report from Vladimir Davydov).

2014-11-01 6.8.9-10 Cristy <quetzlzacatenango@image...>
    New version 6.8.9-10, SVN revision 16910.

2014-10-29 6.8.9-10 Cristy <quetzlzacatenango@image...>
    EXIF directory offsets must be greater than 0 (reference
    http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=26456).

    Accept morphology kernels from files (reference
    http://www.imagemagick.org/discourse-server/viewtopic.php?f=2&t=26466).

    Don't optimize JPEG compression by default (reference
    http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=26482).

2014-10-26 6.8.9-10 Dirk Lemstra <dirk@snakeware...>
    Added support for reading jpeg compressed YCCK tiff files (reference
    http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=24412).

    Fixed reading DICOM files with big endian transfer syntax (reference
    http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=26448).

2014-10-25 6.8.9-9 Cristy <quetzlzacatenango@image...>
    New version 6.8.9-9, SVN revision 16819.

2014-10-03 6.8.9-9 Dirk Lemstra <dirk@snakeware...>
    Added sixel coder created by Hayaki Saito (@kefir_).

    Fixed buffer overflow in PCX and DCM coder (bug report from Hanno B#ck).

    Added support for reading/writing the tIME chunk in the PNG coder.

    Added eps:fit-page option to the PS coder to set -dEPSFitPage.

2014-09-30 6.8.9-9 Cristy <quetzlzacatenango@image...>
    Support xyY colorspace (reference
    http://www.imagemagick.org/discourse-server/viewtopic.php?f=2&t=26324).

    Reduce noise while preserving edges with the -kuwahara option.
    Off-by-one count when parsing an 8BIM profile.

    Locale.c won't build if uselocale found but strtod_l isn't (reference
    http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=26362).

    OpenCL no longer benchmarks are run on every initialization
    (patch submitted by Jan Steffens).

    Don't clone a 0x0 image (bug report from Hanno B#ck).


(he)