fixed bugs in previous commit.  if cred_handle_P is NULL, error is thrown. Also, if delegated_cred_handle_P is NULL, needed to free delegated_cred.
fixed bugs in previous commit.  if cred_handle_P is NULL, error is thrown.
Also, if delegated_cred_handle_P is NULL, needed to free delegated_cred.

gridcf/gct,gridcf/gct,gridcf/gct,gridcf/gct,ellert/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,ellert/globus-toolkit,gridcf/gct,ellert/globus-toolkit