[PATCH] jfs: jfs_delete_inode must call clear_inode

JFS: jfs_delete_inode should always call clear_inode.

> From Chuck Ebbert:
I'm submitting this patch for -stable:

  - it reportedly fixes an oops
  - it's already in 2.6.13-git

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Chris Wright <chrisw@osdl.org>