[Klockwork] NULL pointer may be dereferenced. (#27)
[Klockwork] NULL pointer may be dereferenced. (#27)

Fix issue #27: ip_address may be NULL and may be dereferenced.

Signed-off-by: Ludovic Ferrandis <22de32f469b6975001fde4e8fec94685fb50d109@intel.com>

martin-flaska/dleyna-server,jku/dleyna-server,em-/dleyna-server,rmerlino/dleyna-server,jonte/dleyna-server,jku/dleyna-server,martin-flaska/dleyna-server,rmerlino/dleyna-server,01org/dleyna-server,01org/dleyna-server,lferrandis/dleyna-server,UIKit0/dleyna-server,martin-flaska/dleyna-server,em-/dleyna-server,rmerlino/dleyna-server,rmerlino/dleyna-server,lferrandis/dleyna-server,lferrandis/dleyna-server,puleglot/dleyna-server,puleglot/dleyna-server,UIKit0/dleyna-server,puleglot/dleyna-server,jonte/dleyna-server,01org/dleyna-server,martin-flaska/dleyna-server,em-/dleyna-server,jonte/dleyna-server,01org/dleyna-server,jku/dleyna-server,UIKit0/dleyna-server,em-/dleyna-server