sw_redlinehide: fix crash in IsMarkHidden() if pointing to table node
This is called during mail merge from documentStartPageNumber()
and if the document starts with a table, the passed UNO mark will point
to SwTableNode.
(regression from commit
943d9be770e550d20ca72274fa5e914d1f61e605)
Change-Id: Ic69c12ba0d819eda85de5dde95e35a8071466c2e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134692
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
(cherry picked from commit
4d3b750d08d05c475fb38f8b3961696d9cc9882f)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134776
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit
9b7670155553115b967bb2a9215a4ee49f7b0ef2)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136180
Tested-by: Michael Stahl <michael.stahl@allotropia.de>