Re #11825 Fix compiler warnings

Code/Mantid/Framework/DataHandling/src/FilterEventsByLogValuePreNexus.cpp

@@ -203,7 +203,7 @@ static string generateMappingfileName(EventWorkspace_sptr &wksp) {
 */
 FilterEventsByLogValuePreNexus::FilterEventsByLogValuePreNexus()
     : Mantid::API::IFileLoader<Kernel::FileDescriptor>(), proton_charge_tot(0),
-      eventfile(NULL), detid_max(0), num_events(0), num_pulses(0), numpixel(0),
+      detid_max(0), eventfile(NULL), num_events(0), num_pulses(0), numpixel(0),
       num_good_events(0), num_error_events(0), num_bad_events(0),
       num_wrongdetid_events(0), num_ignored_events(0), first_event(0),
       m_maxNumEvents(0), using_mapping_file(false), loadOnlySomeSpectra(false),
@@ -756,7 +756,7 @@ void FilterEventsByLogValuePreNexus::doStatToEventLog(size_t mindex) {
       << "\n";
   } else {
     g_log.information() << "Event log of map index " << mindex
-      << ": Avg(dt) = " << sum_dt * 1.0E-9
+      << ": Avg(dt) = " << static_cast<double>(sum_dt) * 1.0E-9
       << ", Min(dt) = " << static_cast<double>(min_dt) * 1.0E-9
       << ", Max(dt) = " << static_cast<double>(max_dt) * 1.0E-9
       << "\n";