coverity#704001 silence Unchecked return value

that's definitely ok, it returns if its an
advanced query, and we don't care as we're going
to force it to be anyway

Change-Id: I5c5fec3f0978bc7f66db0b746dd69b60dc4c9026

sc/source/ui/unoobj/datauno.cxx

@@ -2061,7 +2061,7 @@ void SAL_CALL ScDatabaseRangeObj::setPropertyValue(
             {
                 // only here to set bIsAdvanced in ScDBData
                 ScRange aRange;
-                aNewData.GetAdvancedQuerySource(aRange);
+                (void)aNewData.GetAdvancedQuerySource(aRange);
                 aNewData.SetAdvancedQuerySource(&aRange);
             }
             else