[source] libubox: update to the latest version

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/a2e197d972361929025229152b768faeb7478543

commit a2e197d972361929025229152b768faeb7478543
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Thu Dec 1 20:13:48 2016 +0100

    libubox: update to the latest version
    
    - Improves C++ compatibility
    - Adds static initializers for the kvlist API
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 package/libs/libubox/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/libs/libubox/Makefile b/package/libs/libubox/Makefile
index ec9eee0..4fe8751 100644
--- a/package/libs/libubox/Makefile
+++ b/package/libs/libubox/Makefile
@@ -1,15 +1,15 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libubox
-PKG_VERSION:=2016-07-29
+PKG_VERSION:=2016-11-29
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/libubox.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=290c64ef5b5c3e75be851594f269d6a9568e64e5
+PKG_SOURCE_VERSION:=77a629375d7387a33a59509d9d751a8798134cab
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
-PKG_MIRROR_MD5SUM:=aa96245c94a44e171fb58b517003b6d6958cd764216df84f4c5bcf570eca0974
+PKG_MIRROR_MD5SUM:=686a0078da3ada68fc9d39f62df07be52589afce79969ec4039f38f85ccedd3c
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=ISC