Fix default constructor
Fix default constructor

crucial for ROOT streaming

victor-gonzalez/AliPhysics,hzanoli/AliPhysics,AMechler/AliPhysics,hzanoli/AliPhysics,mpuccio/AliPhysics,fbellini/AliPhysics,fbellini/AliPhysics,carstooon/AliPhysics,rbailhac/AliPhysics,rbailhac/AliPhysics,amatyja/AliPhysics,mpuccio/AliPhysics,amatyja/AliPhysics,akubera/AliPhysics,carstooon/AliPhysics,akubera/AliPhysics,SHornung1/AliPhysics,preghenella/AliPhysics,amatyja/AliPhysics,nschmidtALICE/AliPhysics,mpuccio/AliPhysics,fbellini/AliPhysics,fbellini/AliPhysics,AMechler/AliPhysics,rihanphys/AliPhysics,amaringarcia/AliPhysics,rihanphys/AliPhysics,SHornung1/AliPhysics,rihanphys/AliPhysics,fbellini/AliPhysics,victor-gonzalez/AliPhysics,sebaleh/AliPhysics,preghenella/AliPhysics,hcab14/AliPhysics,preghenella/AliPhysics,nschmidtALICE/AliPhysics,rihanphys/AliPhysics,amaringarcia/AliPhysics,hcab14/AliPhysics,dmuhlhei/AliPhysics,lcunquei/AliPhysics,pchrista/AliPhysics,akubera/AliPhysics,kreisl/AliPhysics,alisw/AliPhysics,mpuccio/AliPhysics,dmuhlhei/AliPhysics,rbailhac/AliPhysics,nschmidtALICE/AliPhysics,amaringarcia/AliPhysics,dmuhlhei/AliPhysics,AMechler/AliPhysics,fbellini/AliPhysics,preghenella/AliPhysics,kreisl/AliPhysics,kreisl/AliPhysics,kreisl/AliPhysics,hcab14/AliPhysics,carstooon/AliPhysics,fbellini/AliPhysics,adriansev/AliPhysics,nschmidtALICE/AliPhysics,alisw/AliPhysics,alisw/AliPhysics,rihanphys/AliPhysics,lcunquei/AliPhysics,pbuehler/AliPhysics,preghenella/AliPhysics,SHornung1/AliPhysics,SHornung1/AliPhysics,nschmidtALICE/AliPhysics,alisw/AliPhysics,rbailhac/AliPhysics,adriansev/AliPhysics,dmuhlhei/AliPhysics,lcunquei/AliPhysics,preghenella/AliPhysics,pbuehler/AliPhysics,fcolamar/AliPhysics,adriansev/AliPhysics,amatyja/AliPhysics,pbuehler/AliPhysics,AMechler/AliPhysics,fcolamar/AliPhysics,hzanoli/AliPhysics,amatyja/AliPhysics,fcolamar/AliPhysics,victor-gonzalez/AliPhysics,victor-gonzalez/AliPhysics,hzanoli/AliPhysics,hcab14/AliPhysics,alisw/AliPhysics,preghenella/AliPhysics,rbailhac/AliPhysics,victor-gonzalez/AliPhysics,hcab14/AliPhysics,pchrista/AliPhysics,lcunquei/AliPhysics,sebaleh/AliPhysics,hzanoli/AliPhysics,adriansev/AliPhysics,amaringarcia/AliPhysics,mpuccio/AliPhysics,carstooon/AliPhysics,fcolamar/AliPhysics,pbuehler/AliPhysics,dmuhlhei/AliPhysics,sebaleh/AliPhysics,akubera/AliPhysics,lcunquei/AliPhysics,carstooon/AliPhysics,lcunquei/AliPhysics,fcolamar/AliPhysics,rbailhac/AliPhysics,akubera/AliPhysics,pchrista/AliPhysics,sebaleh/AliPhysics,adriansev/AliPhysics,hzanoli/AliPhysics,sebaleh/AliPhysics,alisw/AliPhysics,nschmidtALICE/AliPhysics,AMechler/AliPhysics,lcunquei/AliPhysics,akubera/AliPhysics,rihanphys/AliPhysics,hcab14/AliPhysics,dmuhlhei/AliPhysics,sebaleh/AliPhysics,pchrista/AliPhysics,rihanphys/AliPhysics,hzanoli/AliPhysics,SHornung1/AliPhysics,fcolamar/AliPhysics,kreisl/AliPhysics,pchrista/AliPhysics,victor-gonzalez/AliPhysics,mpuccio/AliPhysics,hcab14/AliPhysics,carstooon/AliPhysics,amaringarcia/AliPhysics,alisw/AliPhysics,amatyja/AliPhysics,dmuhlhei/AliPhysics,SHornung1/AliPhysics,adriansev/AliPhysics,amatyja/AliPhysics,AMechler/AliPhysics,carstooon/AliPhysics,pbuehler/AliPhysics,pchrista/AliPhysics,pbuehler/AliPhysics,kreisl/AliPhysics,AMechler/AliPhysics,adriansev/AliPhysics,pchrista/AliPhysics,SHornung1/AliPhysics,sebaleh/AliPhysics,mpuccio/AliPhysics,akubera/AliPhysics,rbailhac/AliPhysics,victor-gonzalez/AliPhysics,amaringarcia/AliPhysics,pbuehler/AliPhysics,nschmidtALICE/AliPhysics,kreisl/AliPhysics,amaringarcia/AliPhysics,fcolamar/AliPhysics