ubus: update to latest git HEAD

171469e lua: avoid truncation of large numeric values
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

package/system/ubus/Makefile

@@ -5,9 +5,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/ubus.git
-PKG_SOURCE_DATE:=2020-01-05
-PKG_SOURCE_VERSION:=d35df8adda873dc75d876f72b78e84db8cfa72ee
-PKG_MIRROR_HASH:=bbe69a7b7df98310f6a6dba344b6190f4ba3ebcc6333b9c4b884feda0a7470e6
+PKG_SOURCE_DATE:=2020-02-05
+PKG_SOURCE_VERSION:=171469e3138cce191892e20b6fd35b52c9368064
+PKG_MIRROR_HASH:=b4f1a3d70c2685c2aee2724b980b2ff747f8662f74d04d8be1c5a5e950b0e2ef
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=LGPL-2.1