fix a typo in spark-bigdl.conf
fix a typo in spark-bigdl.conf

psyyz10/BigDL,jenniew/BigDL,zhangxiaoli73/BigDL,sethah/BigDL,luchy0120/BigDL,i8run/BigDL-1,122689305/BigDL,jenniew/BigDL,qiuxin2012/BigDL,JerryYanWan/BigDL,sethah/BigDL,122689305/BigDL,wzhongyuan/BigDL,luchy0120/BigDL,wzhongyuan/BigDL,wzhongyuan/BigDL,jenniew/BigDL,i8run/BigDL-1,i8run/BigDL-1,psyyz10/BigDL,sethah/BigDL,qiuxin2012/BigDL,yiheng/BigDL,qiuxin2012/BigDL,JerryYanWan/BigDL,yiheng/BigDL,122689305/BigDL,yiheng/BigDL,zhangxiaoli73/BigDL,luchy0120/BigDL,psyyz10/BigDL,zhangxiaoli73/BigDL,JerryYanWan/BigDL