[PATCH] hostap update

EXPORT_SYMTAB does nothing. There's no need to define something if it
doesn't have any effect.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Jouni Malinen <jkmaline@cc.hut.fi>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>