Int 2C Fn 0034  P - Cloaking V1.01 - Unregister Cloaking Client            [m]

   AX = 0034h
   DS:EDX -> client registration structure (see #2255)

Return: CF clear if successful
   CF set on error (linked list corrupt)

Note:  the client must unregister before freeing the XMS block containing
     its registration structure(s)

See Also: AX=0033h,#2465 at INT 2F/AX=4310h"Cloaking"