[PATCH] zd1211rw: Implement SIOCGIWNICKN

wireless.h discourages using SIOCGIWNAME to publish the driver name
which the interface belongs to. Use SIOCGIWNICKN instead.

Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>