Fix Wialon protocol decoder (fix #698)
Fix Wialon protocol decoder (fix #698)

vipien/traccar,jon-stumpf/traccar,stalien/traccar_test,5of9/traccar,duke2906/traccar,vipien/traccar,renaudallard/traccar,al3x1s/traccar,joseant/traccar-1,tananaev/traccar,tsmgeek/traccar,jssenyange/traccar,tsmgeek/traccar,jon-stumpf/traccar,AnshulJain1985/Roadcast-Tracker,renaudallard/traccar,jssenyange/traccar,orcoliver/traccar,jssenyange/traccar,orcoliver/traccar,ninioe/traccar,tsmgeek/traccar,tananaev/traccar,jon-stumpf/traccar,joseant/traccar-1,duke2906/traccar,ninioe/traccar,stalien/traccar_test,ninioe/traccar,orcoliver/traccar,al3x1s/traccar,5of9/traccar,AnshulJain1985/Roadcast-Tracker,tananaev/traccar