Switched function to return nothing instead of 'true'. This fixes compilation on Ubuntu 16.04 / g++ 5.3.1
Switched function to return nothing instead of 'true'. This fixes compilation on Ubuntu 16.04 / g++ 5.3.1

seojungmin/peloton,yingjunwu/peloton,seojungmin/peloton,PauloAmora/peloton,cmu-db/peloton,prashasthip/peloton,malin1993ml/peloton,wangziqi2016/peloton,vittvolt/peloton,cmu-db/peloton,AngLi-Leon/peloton,prashasthip/peloton,cmu-db/peloton,PauloAmora/peloton,PauloAmora/peloton,phisiart/peloton-p3,vittvolt/15721-peloton,yingjunwu/peloton,apavlo/peloton,yingjunwu/peloton,PauloAmora/peloton,prashasthip/peloton,ShuxinLin/peloton,jessesleeping/iso_peloton,prashasthip/peloton,haojin2/peloton,eric-haibin-lin/peloton-1,haojin2/peloton,AngLi-Leon/peloton,eric-haibin-lin/peloton-1,malin1993ml/peloton,cmu-db/peloton,jessesleeping/iso_peloton,haojin2/peloton,AngLi-Leon/peloton,yingjunwu/peloton,vittvolt/15721-peloton,prashasthip/peloton,phisiart/peloton-p3,eric-haibin-lin/peloton-1,ShuxinLin/peloton,phisiart/peloton-p3,phisiart/peloton-p3,apavlo/peloton,AllisonWang/peloton,jessesleeping/iso_peloton,PauloAmora/peloton,malin1993ml/peloton,wangziqi2016/peloton,eric-haibin-lin/peloton-1,haojin2/peloton,jessesleeping/iso_peloton,seojungmin/peloton,malin1993ml/peloton,wangziqi2016/peloton,apavlo/peloton,AngLi-Leon/peloton,eric-haibin-lin/peloton-1,eric-haibin-lin/peloton-1,seojungmin/peloton,apavlo/peloton,wangziqi2016/peloton,vittvolt/peloton,vittvolt/15721-peloton,apavlo/peloton,seojungmin/peloton,yingjunwu/peloton,wangziqi2016/peloton,malin1993ml/peloton,vittvolt/peloton,AngLi-Leon/peloton,jessesleeping/iso_peloton,cmu-db/peloton,vittvolt/peloton,jessesleeping/iso_peloton,wangziqi2016/peloton,prashasthip/peloton,vittvolt/15721-peloton,AngLi-Leon/peloton,jessesleeping/iso_peloton,vittvolt/peloton,malin1993ml/peloton,vittvolt/peloton,ShuxinLin/peloton,phisiart/peloton-p3,apavlo/peloton,phisiart/peloton-p3,AllisonWang/peloton,AllisonWang/peloton,cmu-db/peloton,PauloAmora/peloton,AllisonWang/peloton,ShuxinLin/peloton,haojin2/peloton,AllisonWang/peloton,vittvolt/15721-peloton,AllisonWang/peloton,vittvolt/15721-peloton,ShuxinLin/peloton,haojin2/peloton,seojungmin/peloton,ShuxinLin/peloton,yingjunwu/peloton