LU-17904 build: fix typo in vvp_set_batch_dirty

LU-17904 build: fix typo in vvp_set_batch_dirty

Fix typo vvp_set_batch_dirty() when kallsyms_lookup_name()
is exported and account_page_dirtied is not.

HPE-bug-id: LUS-12374
Test-Parameters: trivial
Fixes: b82eab822c0 ("LU-17081 build: Prefer folio_batch to pagevec")
Signed-off-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Change-Id: I8b2e6884e74e384aba6e563bef30072175cc0efc
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55301
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Petros Koutoupis <petros.koutoupis@hpe.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>