{
{   This request is called by the connected file device file access  procedure
{ (fap)  to  prepare a target file for closing.  This consists of removing the
{ target file instance from the subject file instance's list of  targets,  and
{ setting the close_allowed field of the target file instance to true.
{
{       BAP$ENABLE_CLOSE_OF_TARGET (SUBJECT_FILE_IDENTIFIER,
{         TARGET_FILE_IDENTIFIER)
{
{ SUBJECT_FILE_IDENTIFIER:  (input)  This parameter specifies the subject file
{       instance of open.
{
{ TARGET_FILE_IDENTIFIER: (input) This parameter  specifies  the  target  file
{       instance of open.
{
