package/mbuffer: bump to version 20200505

This bump will fix a build failure with gcc 4.8

Fixes:
 - http://autobuild.buildroot.org/results/1a7fe7ac8cbe9997bc5d1e9ade24bc2ee6ac6abe

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/mbuffer/mbuffer.hash

@@ -1,8 +1,8 @@
 # From http://www.maier-komor.de/mbuffer.html
-md5  e4acaa1e6a9a879e7394f04e02e1ae83  mbuffer-20191016.tgz
+md5  df39047654456f260665d66711cabcc5  mbuffer-20200505.tgz
 
 # Locally computed after checking signature upstream
-sha256  8dc210454765c18901074bc16e126c655135a486e73d69855caf74a157ddbe17  mbuffer-20191016.tgz
+sha256  cc046183149e51814c23b9f83fd748cc1625a88ee128651ea500aa7bd5f01f0b  mbuffer-20200505.tgz
 
 # Hash for license file
 sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  LICENSE

package/mbuffer/mbuffer.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MBUFFER_VERSION = 20191016
+MBUFFER_VERSION = 20200505
 MBUFFER_SOURCE = mbuffer-$(MBUFFER_VERSION).tgz
 MBUFFER_SITE = http://www.maier-komor.de/software/mbuffer
 MBUFFER_LICENSE = GPL-3.0+