Detect failure to register with rpcbind/portmap due to security
restrictons and not bomb out in tests.




https://github.com/krb5/krb5/commit/39de88d9867b18f99c19a650aa1bfffb908614f5
Commit By: epeisach
Revision: 21895
Changed Files:
U   trunk/src/lib/rpc/unit-test/config/unix.exp
U   trunk/src/lib/rpc/unit-test/rpc_test.0/expire.exp
U   trunk/src/lib/rpc/unit-test/rpc_test.0/fullrun.exp
U   trunk/src/lib/rpc/unit-test/rpc_test.0/gsserr.exp