lcms2: bump version to 2.8

For ChangeLog see [1].

[1] https://github.com/mm2/Little-CMS/blob/master/ChangeLog

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lcms2/lcms2.hash

@@ -1,5 +1,4 @@
-# From http://sourceforge.net/projects/lcms/files/lcms/2.7/
-sha1	625f0d74bad4a0f6f917120fd992437d26f754d2	lcms2-2.7.tar.gz
-md5	06c1626f625424a811fb4b5eb070839d		lcms2-2.7.tar.gz
+# From https://sourceforge.net/projects/lcms/files/lcms/2.8
+sha1 e9535ec4a572b8fc7a1c405c35e6f4dc97714197 lcms2-2.8.tar.gz
 # Locally computed:
-sha256	4524234ae7de185e6b6da5d31d6875085b2198bc63b1211f7dde6e2d197d6a53	lcms2-2.7.tar.gz
+sha256 66d02b229d2ea9474e62c2b6cd6720fde946155cd1d0d2bffdab829790a0fb22 lcms2-2.8.tar.gz

package/lcms2/lcms2.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-LCMS2_VERSION = 2.7
-LCMS2_SITE = http://downloads.sourceforge.net/lcms/lcms
+LCMS2_VERSION = 2.8
+LCMS2_SITE = http://downloads.sourceforge.net/project/lcms/lcms/$(LCMS2_VERSION)
 LCMS2_LICENSE = MIT
 LCMS2_LICENSE_FILES = COPYING
 LCMS2_INSTALL_STAGING = YES