greet_server.so build failure (1.8a1)

[Jeff Blaine]

FWIW/just-reporting

For kicks, I added plugins/authdata/greet_client and
plugins/authdata/greet_server to SUBDIRS and re-ran make

greet_client built fine

greet_server failed:

...
+ gcc -shared -fPIC -Wl,-h,greet_server.so.1,--no-undefined -o 
greet_server.so greet_auth.so -Wl,-R/afs/rcf/project/krbattest/lib 
-L../../../lib -lkrb5 -lcom_err -lk5crypto -lkrb5support -lkeyutils 
-lresolv -Wl,--version-script binutils.versions
+ perl -w ../../../util/export-check.pl ./greet_server.exports 
greet_server.so
Missing symbols:
         authdata_server_1
make[1]: *** [greet_server.so] Error 1