====== OwnLocationGLN ======
This function returns the stored GLN of the system partner to the transferred ILN.
The second argument can be an //Auto-Add-Value// (True, False). If //True// is specified, the GLN is created if it does not exist.
==== Syntax: ====
OwnLocationGLN('ILN')
OwnLocationGLN('ILN', 'AutoAdd')