package/ser2net: bump to version 4.2.1

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/ser2net/ser2net.hash

@@ -1,6 +1,6 @@
 # From https://sourceforge.net/projects/ser2net/files/ser2net/
-md5  eb08bf2822d5c4293f798d9d8f3c1b66  ser2net-4.1.8.tar.gz
-sha1  e3538f37b99f33a417c34e7b98eb9423262ff19a  ser2net-4.1.8.tar.gz
+md5  db112efce759e70caf91765fa47920fa  ser2net-4.2.1.tar.gz
+sha1  2f406a209c4a93544146e338ae92b938c421493a  ser2net-4.2.1.tar.gz
 # Locally computed:
-sha256  cffb5147021202b064eb0a9389d0db63d1bb2dcde5a896f7785f97b1b5f51a72  ser2net-4.1.8.tar.gz
+sha256  a0d84c71a6bc75d73737461708f964084c6bbfe0cc1ef4725b4cd9cc35de14c0  ser2net-4.2.1.tar.gz
 sha256  501f3108e6c03e5a0a5585ebaaa369171aead5319cd0a7a4dc1f66211c1f09f1  COPYING

package/ser2net/ser2net.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SER2NET_VERSION = 4.1.8
+SER2NET_VERSION = 4.2.1
 SER2NET_SITE = http://downloads.sourceforge.net/project/ser2net/ser2net
 SER2NET_LICENSE = GPL-2.0+
 SER2NET_LICENSE_FILES = COPYING