libubox: bump version

Reviewed-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
Reviewed-by: Abhimanyu Vishwakarma <Abhimanyu.Vishwakarma@imgtec.com>
Signed-off-by: Rahul Jain <Rahul.Jain@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libubox/libubox.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBUBOX_VERSION = e88d816d6e462180f0337565e04e36be58a63309
+LIBUBOX_VERSION = 290c64ef5b5c3e75be851594f269d6a9568e64e5
 LIBUBOX_SITE = git://git.openwrt.org/project/libubox.git
 LIBUBOX_LICENSE = LGPLv2.1, GPLv2, BSD-3c, MIT
 LIBUBOX_INSTALL_STAGING = YES