tdf#129908 Crash at Data > Group and outlone > AutoOutline

regression from
	commit 7282014e362a1529a36c88eb308df8ed359c2cfa
	tdf#50916 Makes numbers of columns dynamic.

Change-Id: Ie0eff58c7db5a3c85cfea480ca1fea5767fd8cfb
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/86683
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
(cherry picked from commit b56e0d7f7fb9f1ca9295ac2ba540a3cf778324b9)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/86693
diff --git a/sc/source/core/data/table2.cxx b/sc/source/core/data/table2.cxx
index 1f62b1a..f5143b7 100644
--- a/sc/source/core/data/table2.cxx
+++ b/sc/source/core/data/table2.cxx
@@ -3682,6 +3682,8 @@
    bool bFound;
    ScRange aRef;

    nEndCol = ClampToAllocatedColumns(nEndCol);

    StartOutlineTable();

                            // Rows