ubus: update to the latest version, switch to git.openwrt.org, fixes a lua binding memory leak

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45750

package/system/ubus/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ubus
-PKG_VERSION:=2015-01-22
+PKG_VERSION:=2015-05-25
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL:=git://nbd.name/luci2/ubus.git
+PKG_SOURCE_URL:=http://git.openwrt.org/project/ubus.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=2d660c519d2fcff95248da9f4fd9b37d61f9eb09
+PKG_SOURCE_VERSION:=f361bfa5fcb2daadf3b160583ce665024f8d108e
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_MD5SUM:=
 CMAKE_INSTALL:=1