Fix miscellaneous networking compilation errors.

 (*) Export ktime_add_ns() for modules.

 (*) wext_proc_init() should have an ANSI declaration.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

This patch cleans up the call paths from the core code into wext.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>