Int 21 Fn 71A1  - Windows95 - Long Filename - "findclose" - Terminate Dir  [D]

   AX = 71A1h
   BX = filefind handle (from AX=714Eh)

Return: CF clear if successful
   CF set on error
      AX = error code
       7100h if function not supported

Notes: this function must be called after starting a search with AX=714Eh,
     to indicate that the search handle returned by that function will
     no longer be used
   this function is only available when IFSMgr is running, not under bare
     MS-DOS 7

See Also: AH=4Eh,AX=714Eh,AX=714Fh