imagemagick: bump version to 7.0.5-4

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/imagemagick/imagemagick.hash

@@ -1,2 +1,2 @@
 # From http://www.imagemagick.org/download/releases/digest.rdf
-sha256 dbc0a1cc0e4e3d4e3c772724fcbfe24a00ff4434c8b12c513c447a5fb422ffa6  ImageMagick-7.0.5-3.tar.xz
+sha256 4a1dde5bdfec0fc549955a051be25b7ff96dfb192060997699e43c7ce0f06ab2  ImageMagick-7.0.5-4.tar.xz

package/imagemagick/imagemagick.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-IMAGEMAGICK_VERSION = 7.0.5-3
+IMAGEMAGICK_VERSION = 7.0.5-4
 IMAGEMAGICK_SOURCE = ImageMagick-$(IMAGEMAGICK_VERSION).tar.xz
 IMAGEMAGICK_SITE = http://www.imagemagick.org/download/releases
 IMAGEMAGICK_LICENSE = Apache-2.0