Fix typo in DMT decoder
Fix typo in DMT decoder

AnshulJain1985/Roadcast-Tracker,AnshulJain1985/Roadcast-Tracker,jssenyange/traccar,tsmgeek/traccar,ninioe/traccar,jon-stumpf/traccar,jon-stumpf/traccar,orcoliver/traccar,ninioe/traccar,ninioe/traccar,tsmgeek/traccar,jssenyange/traccar,tsmgeek/traccar,tananaev/traccar,orcoliver/traccar,orcoliver/traccar,tananaev/traccar,tananaev/traccar,jon-stumpf/traccar,jssenyange/traccar