Fix bash warnings
Fix bash warnings

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l/AliPhysics,SHornung1/AliPhysics,alisw/AliPhysics,amatyja/AliPhysics,hzanoli/AliPhysics,yowatana/AliPhysics,jmargutt/AliPhysics,rbailhac/AliPhysics,btrzecia/AliPhysics,yowatana/AliPhysics,rderradi/AliPhysics,dstocco/AliPhysics,dstocco/AliPhysics,hcab14/AliPhysics,rderradi/AliPhysics,sebaleh/AliPhysics,ppribeli/AliPhysics,pbuehler/AliPhysics,nschmidtALICE/AliPhysics,victor-gonzalez/AliPhysics,fcolamar/AliPhysics,kreisl/AliPhysics,dmuhlhei/AliPhysics,ppribeli/AliPhysics,rihanphys/AliPhysics,adriansev/AliPhysics,adriansev/AliPhysics