Fixes the following warning:
CC [M] net/ipv6/addrconf.o
net/ipv6/addrconf.c: In function 'addrconf_init':
net/ipv6/addrconf.c:4944:2: warning: assignment from incompatible pointer type [enabled by default]
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 36364