fix hang where ftp_control_data_send_eof would register successfully but never call user callback when the actual send_eof write fails
fix hang where ftp_control_data_send_eof would register successfully but never call user callback when the actual send_eof write fails

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