[source] ubus: update to the latest version

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/887347497fa6764a11c95dbce71131578cb0fc75

commit 887347497fa6764a11c95dbce71131578cb0fc75
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Sat Feb 25 11:15:07 2017 +0100

    ubus: update to the latest version
    
    c09e4f0 ubusd: fix incomplete copy of shared buf during queue-ing
    453b87f cli: add support for subscribing to objects
    6eb3c96 cli: do not use default timeout for listen
    dfe3383 libubus: reset ctx->sock.error when doing ubus reconnect
    34c6e81 cli: fix listen_timeout compile issue
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 package/system/ubus/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/system/ubus/Makefile b/package/system/ubus/Makefile
index cfef142..4f3d4e8 100644
--- a/package/system/ubus/Makefile
+++ b/package/system/ubus/Makefile
@@ -5,9 +5,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/ubus.git
-PKG_SOURCE_DATE:=2017-02-03
-PKG_SOURCE_VERSION:=91acde66b963e238aba35fb4f2030a147df84cd4
-PKG_MIRROR_HASH:=47077163f74469e8baf6aa4dc10edc32a75f6609a1cef1d1201f091b7aec42cf
+PKG_SOURCE_DATE:=2017-02-18
+PKG_SOURCE_VERSION:=34c6e818e431cc53478a0f7c7c1eca07d194d692
+PKG_MIRROR_HASH:=fc4f1121faa4f5b8fa52ee25460b98b2e60e7d245aefa70e7f76c56ce5628fd5
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=LGPL-2.1