ImageMagick security and bug fix update

[6.2.8.0-12.el5]

• Add fix for CVE-2010-4167 (767142)
  [6.2.8.0-11.el5]
  Fix assertion failed when using ‘identify -verbose’ when theres no
  image information available (502626)
  [6.2.8.0-10.el5]
  Fix memory allocation failure when using color option (616538)
  Fix hang when converting broken GIF (693989)
  Fix conversion of rotated landscape PDF (694922)
  [6.2.8.0-9.el5]
  Fix a deadlock with semaphore (530592)
  [6.2.8.0-8.el5]
• Fix page size argument parsing (580535)
  [6.2.8.0-7.el5]
• Fix SGI image decoding (498063)
  [6.2.8.0-6.el5]
• Add fix for CVE-2009-1882 (504305)
  [6.2.8.0-5.el5]
• update quantum memory patch (necessary for CVE fixes)
• backport functionality for SetImageExtent (necessary for CVE fixes)
• Add patch for CVE-2008-1096 (#286411)
• Add patch for CVE-2008-1097 (#285861)
• update patch for CVE-2007-4986