Resolve fdo#72632 by adding missing break

Change-Id: I7e27b685f2e6e1e1b96aee907f4c634252b0e17b
Reviewed-on: https://gerrit.libreoffice.org/7270Tested-by: Arnaud Versini <arnaud.versini@libreoffice.org>
Reviewed-by: Arnaud Versini <arnaud.versini@libreoffice.org>

starmath/source/unomodel.cxx

@@ -935,6 +935,7 @@ void SmModel::_getPropertyValues( const PropertyMapEntry **ppEntries, Any *pValu
 
                     *pValue <<= static_cast<sal_Int32>( pDocSh->pTree->GetFormulaBaseline() );
                 }
+                break;
             }
             case HANDLE_INTEROP_GRAB_BAG:
                 getGrabBagItem(*pValue);