fstools: update to the latest git HEAD

This allows using UBIFS volume as overlay and adds support for Btrfs.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 43868

package/system/fstools/Makefile

@@ -8,14 +8,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=fstools
-PKG_VERSION:=2014-12-15
+PKG_VERSION:=2015-01-07
 
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=git://nbd.name/fstools.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=83cf8896a598fb9fc58da0a9bb4f137695f78853
+PKG_SOURCE_VERSION:=6a448a100c7ce8b8b85f262ba1258e54363da9cc
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 CMAKE_INSTALL:=1
 PKG_CHECK_FORMAT_SECURITY:=0