SGSN: fix spaces/tabs in TC_hlr_location_cancel_request_unknown_subscriber_{withdraw,update}

Fixes: 6c47f294954f ("SGSN: add TC_hlr_location_cancel_request_unknown_subscriber_{withdraw,update}")
Change-Id: I5074dadf53ec75a9c709b28ff324e23fdcd13bfa
1 file changed