[PATCH] fix kernel-api doc for kernel/resource.c

insert_resource() was unexported, so kernel-doc needs to be told to search
kernel/resource.c for internal functions instead of exported functions so that
it won't report an error.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>