buildworld fails in openssh

[Randy Bush]

cc -O2 -fno-strict-aliasing -pipe -march=pentiumpro -I/usr/src/secure/libexec/sftp-server/../../../crypto/openssh -include ssh_namespace.h  -c /usr/src/secure/libexec/sftp-server/../../../crypto/openssh/sftp-server.c
cc -O2 -fno-strict-aliasing -pipe -march=pentiumpro -I/usr/src/secure/libexec/sftp-server/../../../crypto/openssh -include ssh_namespace.h  -c /usr/src/secure/libexec/sftp-server/../../../crypto/openssh/sftp-common.c
cc -O2 -fno-strict-aliasing -pipe -march=pentiumpro -I/usr/src/secure/libexec/sftp-server/../../../crypto/openssh -include ssh_namespace.h   -o sftp-server sftp-server.o sftp-common.o -lssh -lcrypt -lcrypto -lz
/usr/obj/usr/src/tmp/usr/lib/libssh.so: undefined reference to `SHA256_Update'
/usr/obj/usr/src/tmp/usr/lib/libssh.so: undefined reference to `SHA256_Final'
/usr/obj/usr/src/tmp/usr/lib/libssh.so: undefined reference to `SHA256_Init'
*** Error code 1