[PATCH] drivers/message/i2o/iop.c: unexport i2o_msg_nop()

It's available in a header as a static inline - there's no need to export it.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>