Add c-ares mgwport package

Signed-off-by: Thomas Braun <thomas.braun@virtuell-zuhause.de>
Fix indentation and a typo

Signed-off-by: Thomas Braun <thomas.braun@virtuell-zuhause.de>
Make curl IPV6 aware by linking with c-ares

As it turned out the current curl.exe was not able to communicate via IPV6.
Using the c-ares library for dns resolving and forcing IPV6 using CFLAGS="-DENABLE_IPV6" fixes this problem.

Now "curl -v -6 www.sixxs.net" works at least on my machine.

Signed-off-by: Thomas Braun <thomas.braun@virtuell-zuhause.de>