rfkill: include err.h

Since we use ERR_PTR and similar macros, we need to include
linux/err.h.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2009-06-09 17:49:06 -07:00 • committed by David S. Miller
commit 1506e30b5f