This driver should not be carrying around ancient copies of
headers like <linux/ip.h> for its own use. Mapping it onto
the mainline one uncovers no build issues.
Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>