Update git submodules

* Update helpcontent2 from branch 'libreoffice-6-4'
  to 5521fc8d7175abd8fe2b457c677c6fab38114778
  - tdf#130426 Update documentation for Basic Chr and ChrW functions
    
    ...for <https://gerrit.libreoffice.org/c/core/+/89090> "tdf#130426 Support Basic
    Chr(&H8000), ..., Chr(&HFFFF) again"
    
    Change-Id: I425a55ba1b055f94d993bb99c5412cc0414dc48d
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/89100
    Tested-by: Jenkins
    Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
    (cherry picked from commit bf2dff69f84ad28836924d3bf311910248aca1f9)
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/89126
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    

1 files changed, 0 insertions, 0 deletions

diff --git a/helpcontent2 b/helpcontent2
-Subproject 0891e60ab601e2cfdf9c7a142c9a3538f7df01f
+Subproject 5521fc8d7175abd8fe2b457c677c6fab3811477