security/gnutls fails to build

[Sean McNeil]

I get:

cc -O2 -fno-strict-aliasing -pipe -g -D_REENTRANT -D_THREAD_SAFE -pipe -I/usr/local/include -I/usr/local/include -o .libs/gnutls-serv serv-gaa.o serv.o common.o  -L/usr/local/lib ../lib/.libs/libgnutls.so ../libextra/.libs/libgnutls-extra.so /usr/ports/security/gnutls/work/gnutls-1.2.10/lib/.libs/libgnutls.so /usr/local/lib/libtasn1.so /usr/local/lib/libopencdk.so -lz -lgcrypt /usr/local/lib/libgpg-error.so /usr/local/lib/libintl.so /usr/local/lib/libiconv.so -Wl,--rpath -Wl,/usr/local/lib
../lib/.libs/libgnutls.so: undefined reference to `_asn1_find_node'
../lib/.libs/libgnutls.so: undefined reference to `_asn1_get_length_der'
*** Error code 1

Stop in /usr/ports/security/gnutls/work/gnutls-1.2.10/src.
*** Error code 1

This happened even after a

portupgrade -fR gnutls