sc_subsequent_filters_test in ScFiltersTest::testFunctionsODS() also
checks "SERIESSUM(2;3;2;3)", which the opencl code does not handle.
At least bail out gracefully instead of returning 0.

Change-Id: I154dca8cc437a6225b4eb98012232d80683f0114
Reviewed-on: https://gerrit.libreoffice.org/64242
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
(cherry picked from commit 6a2241e7)
Reviewed-on: https://gerrit.libreoffice.org/64532