Update git submodules

* Update helpcontent2 from branch 'master'
- Fix icon display in Help pages

1) The python script creates the replacement table (xsl) for
missing icons from colibre/links.txt. Later it should go to
build system.

2) Handle icon tables when images are not from icon-theme

Change-Id: If946af6fc6c05431c07470c01082a46e0fdbdde0
Reviewed-on: https://gerrit.libreoffice.org/63254
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>

1 files changed, 0 insertions, 0 deletions

diff --git a/helpcontent2 b/helpcontent2
-Subproject 12cf5b53b185177924dd7ce572bc7451c9edc76
+Subproject 4f351cf5ffbba2877b16593ab9ebb76c6d72398