imagemagick: bump to version 6.9.0-2

[Peter: use correct sha256sum]
Signed-off-by: Jerzy Grzegorek <jerzy.grzegorek@trzebnica.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/imagemagick/imagemagick.hash

@@ -1,2 +1,2 @@
 # From ftp://ftp.nluug.nl/pub/ImageMagick/digest.rdf
-sha256  12331c904c691cb128865fdc97e5f8a2654576f9b032e274b74dd7617aa1b9b6  ImageMagick-6.9.0-0.tar.xz
+sha256	ce7ced11cc1019cd37518ebc4ea03ffaff8e6891aaf41a05615689dafe854ff6  ImageMagick-6.9.0-2.tar.xz

package/imagemagick/imagemagick.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-IMAGEMAGICK_VERSION = 6.9.0-0
+IMAGEMAGICK_VERSION = 6.9.0-2
 IMAGEMAGICK_SOURCE = ImageMagick-$(IMAGEMAGICK_VERSION).tar.xz
 # The official ImageMagick site only keeps the latest versions
 # available, which is annoying. Use an alternate site that keeps all