libtasn1: corrected library license

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

libs/libtasn1/Makefile

@@ -14,8 +14,8 @@ 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_LICENSE:=LGPLv2.1+
+PKG_LICENSE_FILES:=COPYING.LIB
 
 #PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1