sw: fix crash when using anchor of at-paragraph fly ...

... to insert fieldmark; the problem is that the anchor doesn't have
SwIndex so the resulting sw::mark::Fieldmark's positions won't have
SwIndex either, so they aren't updated when its dummy chars are inserted
in lcl_SetFieldMarks().

Change-Id: Id6281f45aa1f1337f1ae599877f155b129389d81
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/98852
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@cib.de>

0 files changed, 0 insertions, 0 deletions