acl: update to 20140812, add license files

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>

utils/acl/Makefile

@@ -8,8 +8,8 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=acl
-PKG_REV:=f2a5f57a20ffa007abc1fa24df1f76e18b74a425
-PKG_VERSION:=20140610
+PKG_REV:=62ce6354ef5a8eb5644908748f79c8cd18474d4c
+PKG_VERSION:=20140812
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
@@ -21,6 +21,7 @@ PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
 PKG_MAINTAINER:=Maxim Storchak <m.storchak@gmail.com>
 PKG_INSTALL:=1
 PKG_LICENSE:=LGPL-2.1 GPL-2.0
+PKG_LICENSE_FILES:=doc/COPYING doc/COPYING.LGPL
 
 include $(INCLUDE_DIR)/package.mk