mc: bump version to 4.8.20

Add licence checksum.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/mc/mc.hash

@@ -1,2 +1,4 @@
-# Hash from http://ftp.midnight-commander.org/mc-4.8.19.sha256:
-sha256 eb9e56bbb5b2893601d100d0e0293983049b302c5ab61bfb544ad0ee2cc1f2df  mc-4.8.19.tar.xz
+# Hash from http://ftp.midnight-commander.org/mc-4.8.20.sha256:
+sha256  017ee7f4f8ae420a04f4d6fcebaabe5b494661075c75442c76e9c8b1923d501c  mc-4.8.20.tar.xz
+# sha256 locally computed:
+sha256  5576bbec76296e1c8e081f7037ebd01bdada388635f58d844a2f20d37bbe4284  COPYING

package/mc/mc.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MC_VERSION = 4.8.19
+MC_VERSION = 4.8.20
 MC_SOURCE = mc-$(MC_VERSION).tar.xz
 MC_SITE = http://ftp.midnight-commander.org
 MC_LICENSE = GPL-3.0+