Debug log buffer now flushes after every statement.

src/gui/main.cpp

@@ -219,6 +219,7 @@ bool LOOT::OnInit() {
     //Set up logging.
     boost::log::add_file_log(
         boost::log::keywords::file_name = g_path_log.string().c_str(),
+        boost::log::keywords::auto_flush = true,
         boost::log::keywords::format = (
             boost::log::expressions::stream
                 << "[" << boost::log::expressions::format_date_time< boost::posix_time::ptime >("TimeStamp", "%H:%M:%S") << "]"