committer James Bottomley <jejb@mulgrave.(none)> 1125245649 -0500

[SCSI] add missing attribute container function prototype

attribute_container_classdev_to_container is an exported function of the
attribute_container.c file.  However, there's no prototype for it.  Now
I actually want to use it, so add one.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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