Fix of free() of stray pointer in ifaddrs.c

[Rene Nielsen]

Hi folks,

The attached patch fixes an erroneous call to free() in getifaddrs().
The incorrect call to free() occurs if an IPv6 call to socket() fails.

Regards,
René Schipp von Branitz Nielsen 
Vitesse Semiconductors

20090623-ifaddrs.patch
Description: 20090623-ifaddrs.patch