[Klockwork] NULL pointer may be dereferenced. (#25)
[Klockwork] NULL pointer may be dereferenced. (#25)

Fix issue #25: ip_address may be NULL and may be dereferenced.

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

debarshiray/dleyna-renderer,UIKit0/dleyna-renderer,jku/dleyna-renderer,rmerlino/dleyna-renderer,em-/dleyna-renderer,UIKit0/dleyna-renderer,rmerlino/dleyna-renderer,em-/dleyna-renderer,KobaltRo/dleyna-renderer,jku/dleyna-renderer,01org/dleyna-renderer,debarshiray/dleyna-renderer,debarshiray/dleyna-renderer,lferrandis/dleyna-renderer,01org/dleyna-renderer,em-/dleyna-renderer,lferrandis/dleyna-renderer,jku/dleyna-renderer,debarshiray/dleyna-renderer,lferrandis/dleyna-renderer,KobaltRo/dleyna-renderer,em-/dleyna-renderer,UIKit0/dleyna-renderer,01org/dleyna-renderer,KobaltRo/dleyna-renderer,puleglot/dleyna-renderer,lferrandis/dleyna-renderer,rmerlino/dleyna-renderer,rmerlino/dleyna-renderer,01org/dleyna-renderer,puleglot/dleyna-renderer,puleglot/dleyna-renderer