CURRENT r 255964 not build

CURRENT r 255964 world not build

clang -O2 -pipe -march=athlon64-sse3 -mtune=athlon64-sse3 
-I/usr/src/secure/usr.bin/ssh/../../../crypto/openssh -include 
ssh_namespace.h -DHAVE_LDNS=1 -std=gnu99 -Qunused-arguments 
-fstack-protector -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int 
-Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality 
-Wno-unused-function -Wno-conversion -Wno-switch -Wno-switch-enum 
-Wno-knr-promoted-parameter -Wno-parentheses  
-L/usr/obj/usr/src/tmp/usr/lib/private -rpath /usr/lib/private -o ssh 
ssh.o readconf.o clientloop.o sshtty.o sshconnect.o sshconnect1.o 
sshconnect2.o mux.o roaming_common.o roaming_client.o gss-genr.o -lssh 
-lutil -lldns -lcrypt -lcrypto -lz
/usr/obj/usr/src/tmp/usr/lib/private/libldns.so: undefined reference to 
`ldns_b64_pton_calculate_size'
/usr/obj/usr/src/tmp/usr/lib/private/libldns.so: undefined reference to 
`ldns_b64_ntop_calculate_size'
clang: error: linker command failed with exit code 1 (use -v to see 
invocation)
*** Error code 1

Stop.
make[5]: stopped in /usr/src/secure/usr.bin/ssh
*** Error code 1