Force disable OpenCL in Safe Mode

Change-Id: I046eb2a01c528945232cedabbf5fa08483c9e057
Reviewed-on: https://gerrit.libreoffice.org/29960Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
Tested-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

desktop/source/app/opencl.cxx

@@ -120,6 +120,7 @@ bool testOpenCLCompute(const Reference< XDesktop2 > &xDesktop, const OUString &r
 void Desktop::CheckOpenCLCompute(const Reference< XDesktop2 > &xDesktop)
 {
     if (getenv("SAL_DISABLE_OPENCL") ||
+        Application::IsSafeModeEnabled() ||
         !officecfg::Office::Common::Misc::UseOpenCL::get())
         return;