Merge pull request #4258 from clexpert/patch-2

Total print time for LCD correction (hours:minutes format)

Marlin/ultralcd.cpp

@@ -1953,7 +1953,7 @@ void kill_screen(const char* lcd_msg) {
         printStatistics stats = print_job_counter.getStats();
 
         char printTime[6];
-        sprintf(printTime, "%02d:%02d", int(stats.printTime / 60), int(stats.printTime % 60));
+        sprintf(printTime, "%02d:%02d", int(stats.printTime / 3600), int(stats.printTime / 60) % 60);
 
         if (LCD_CLICKED) lcd_goto_previous_menu(true);
         START_SCREEN();