When looking for the first ipaddr also consider the current prefix just
like network_get_ipaddrs6 does. If ipv6-address was empty the function
did not return the first ipaddr even if the list was non-empty.
fixes commit 83e9122f88a002871d5cdf421cf6aa6052b7e006
Signed-off-by: Henning Schild <henning@hennsch.de>
SVN-Revision: 42139