update libtasn1 to latest stable upstream version

package/libtasn1/Makefile

@@ -4,9 +4,9 @@
 include $(ADK_TOPDIR)/rules.mk
 
 PKG_NAME:=		libtasn1
-PKG_VERSION:=		4.4
+PKG_VERSION:=		4.5
 PKG_RELEASE:=		1
-PKG_HASH:=		f8349db1b4fe634105c77e11d26b2173e587827e86e1a489b5e38ffa822e0c5d
+PKG_HASH:=		89b3b5dce119273431544ecb305081f3530911001bb12e5d76588907edb71bda
 PKG_DESCR:=		asn.1 and der structures manipulation library
 PKG_SECTION:=		libs/crypto
 PKG_URL:=		http://www.gnupg.org/