imagemagick: bump version to 7.0.5-6

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 9cd8ad2364cb178e7d6c99462b05668dac1485d2)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/imagemagick/imagemagick.hash

@@ -1,2 +1,2 @@
 # From http://www.imagemagick.org/download/releases/digest.rdf
-sha256 c3644119dce993aa241fa08eced2cb6043fb5345f0eee7a7822a497f1142ebe3  ImageMagick-7.0.5-5.tar.xz
+sha256 f60c3e3466ccbf9a0e643284ffec3467363edf9611f16a98387f927a974b49ab  ImageMagick-7.0.5-6.tar.xz

package/imagemagick/imagemagick.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-IMAGEMAGICK_VERSION = 7.0.5-5
+IMAGEMAGICK_VERSION = 7.0.5-6
 IMAGEMAGICK_SOURCE = ImageMagick-$(IMAGEMAGICK_VERSION).tar.xz
 IMAGEMAGICK_SITE = http://www.imagemagick.org/download/releases
 IMAGEMAGICK_LICENSE = Apache-2.0