libtasn1: add license tag

show the license for this package in opkg

Signed-off-by: Florian Eckert <Eckert.Florian@googlemail.com>

libs/libtasn1/Makefile

@@ -9,11 +9,13 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libtasn1
 PKG_VERSION:=4.8
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=ftp://ftp.gnu.org/gnu/libtasn1
 PKG_MD5SUM:=9a6767705725544f2b86670dcfb34107
+PKG_LICENSE:=GPL-3.0
+PKG_LICENSE_FILES:=COPYING
 
 #PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1