[PATCH] Stop crash when interfaces config value is incorrect

[Alistair Leslie-Hughes]

This should fix issue #8917.

The crash is cause by a NULL value be passed when a string is expected.

Best Regards
  Alistair Leslie-Hughes
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-Stop-crash-when-interfaces-config-value-is-incorrect.patch
Type: text/x-patch
Size: 863 bytes
Desc: not available
URL: <http://lists.samba.org/pipermail/samba-technical/attachments/20130922/3e352ae5/attachment.bin>