package/gkrellm: bump version to 2.4.0

Changelog:
https://git.srcbox.net/gkrellm/gkrellm/releases/tag/gkrellm-2.4.0

Updated license hash due to copyright year bump:
https://git.srcbox.net/gkrellm/gkrellm/commit/b6bc5b379564a5df72d3b047df655652976937fb

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/gkrellm/gkrellm.hash

@@ -1,4 +1,4 @@
 # Locally computed
-sha256  1ee0643ed9ed99f88c1504c89d9ccb20780cf29319c904b68e80a8e7c8678c06  gkrellm-2.3.11.tar.bz2
+sha256  6f83665760b936ad4b55f9182b1ec7601faf38a0f25ea1e4bddc9965088f032d  gkrellm-2.4.0.tar.bz2
 sha256  691de85c3c6eeda5b6982c751548575344739ce4b4418d78905e599359f6c435  COPYING
-sha256  b81e0c0c3fb2a58f25377388484a1f729abb367f5f2b43e335a6ed3272ce8536  COPYRIGHT
+sha256  a4bb0b604fe7d40ca4469ffd5e2e2de70ff8ece43e47980ab2c8962d5e913330  COPYRIGHT

package/gkrellm/gkrellm.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GKRELLM_VERSION = 2.3.11
+GKRELLM_VERSION = 2.4.0
 GKRELLM_SITE = http://gkrellm.srcbox.net/releases
 GKRELLM_SOURCE = gkrellm-$(GKRELLM_VERSION).tar.bz2
 GKRELLM_LICENSE = GPL-3.0+