freevxfs: immed: fix kernel-doc param name

Correct the function parameter name to prevent kernel-doc warnings:

vxfs_immed.c:32: warning: Function parameter or member 'fp' not described in 'vxfs_immed_read_folio'
vxfs_immed.c:32: warning: Excess function parameter 'file' description in 'vxfs_immed_read_folio'

Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Randy Dunlap <[e-mail]>
Reviewed-by: Christoph Hellwig <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>

fs/freevxfs/vxfs_immed.c

···
 
 /**
  * vxfs_immed_read_folio - read part of an immed inode into pagecache
- * @file:	file context (unused)
+ * @fp:		file context (unused)
  * @folio:	folio to fill in.
  *
  * Description: