imagemagick: bump to version 6.9.0-7

Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/imagemagick/imagemagick.hash

@@ -1,2 +1,2 @@
 # From ftp://ftp.nluug.nl/pub/ImageMagick/digest.rdf
-sha256 a47f2731d453df502a93036ca1fea44c5852ed1b2c36af4343e6afb18652fefd ImageMagick-6.9.0-6.tar.xz
+sha256 90c90397ccf74200cd0e3931d3b26e6722665db235a66a5af392ac25d133d8c2 ImageMagick-6.9.0-7.tar.xz

package/imagemagick/imagemagick.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-IMAGEMAGICK_VERSION = 6.9.0-6
+IMAGEMAGICK_VERSION = 6.9.0-7
 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