tree 7b7c6e83c5ca37791c79ec67a6513e728bf47a99
parent 65b0efe56eafff992d60854787b83275ac33f84e
author Holger Hans Peter Freyther <holger@moiji-mobile.com> 1433230411 +0200
committer Holger Hans Peter Freyther <holger@moiji-mobile.com> 1433231192 +0200

sgsn: seleted_apn_str might be NULL do not strcpy

The subscriber might simply not be allowed to use the APN
that was specified. So selected_apn_str might very well be
NULL.

Fixes: Coverity CID#1302853