fixed the buff uptime returning NaN
fixed the buff uptime returning NaN


anom0ly/WoWAnalyzer,ronaldpereira/WoWAnalyzer,sMteX/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,yajinni/WoWAnalyzer,yajinni/WoWAnalyzer,ronaldpereira/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,yajinni/WoWAnalyzer,anom0ly/WoWAnalyzer,sMteX/WoWAnalyzer,Juko8/WoWAnalyzer,yajinni/WoWAnalyzer,sMteX/WoWAnalyzer,Juko8/WoWAnalyzer,Juko8/WoWAnalyzer,ronaldpereira/WoWAnalyzer,anom0ly/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,anom0ly/WoWAnalyzer