change nextArgIdx to local variable
change nextArgIdx to local variable

parkera/swift,nathawes/swift,nathawes/swift,glessard/swift,CodaFi/swift,atrick/swift,harlanhaskins/swift,benlangmuir/swift,aschwaighofer/swift,rudkx/swift,tkremenek/swift,roambotics/swift,parkera/swift,apple/swift,harlanhaskins/swift,tkremenek/swift,JGiola/swift,airspeedswift/swift,airspeedswift/swift,xwu/swift,roambotics/swift,hooman/swift,hooman/swift,tkremenek/swift,aschwaighofer/swift,aschwaighofer/swift,apple/swift,roambotics/swift,gregomni/swift,stephentyrone/swift,hooman/swift,aschwaighofer/swift,benlangmuir/swift,ahoppen/swift,aschwaighofer/swift,glessard/swift,gregomni/swift,xwu/swift,stephentyrone/swift,jmgc/swift,xwu/swift,stephentyrone/swift,harlanhaskins/swift,benlangmuir/swift,allevato/swift,jckarter/swift,CodaFi/swift,ahoppen/swift,jmgc/swift,allevato/swift,xwu/swift,jckarter/swift,roambotics/swift,tkremenek/swift,atrick/swift,airspeedswift/swift,glessard/swift,apple/swift,JGiola/swift,allevato/swift,jmgc/swift,nathawes/swift,atrick/swift,jmgc/swift,CodaFi/swift,nathawes/swift,jckarter/swift,nathawes/swift,nathawes/swift,airspeedswift/swift,CodaFi/swift,harlanhaskins/swift,jckarter/swift,atrick/swift,glessard/swift,gregomni/swift,stephentyrone/swift,benlangmuir/swift,roambotics/swift,glessard/swift,apple/swift,atrick/swift,tkremenek/swift,jmgc/swift,hooman/swift,ahoppen/swift,xwu/swift,tkremenek/swift,hooman/swift,parkera/swift,JGiola/swift,CodaFi/swift,aschwaighofer/swift,rudkx/swift,benlangmuir/swift,apple/swift,jckarter/swift,harlanhaskins/swift,allevato/swift,allevato/swift,tkremenek/swift,allevato/swift,jmgc/swift,CodaFi/swift,roambotics/swift,gregomni/swift,glessard/swift,jckarter/swift,stephentyrone/swift,parkera/swift,stephentyrone/swift,parkera/swift,benlangmuir/swift,rudkx/swift,gregomni/swift,apple/swift,gregomni/swift,aschwaighofer/swift,rudkx/swift,hooman/swift,parkera/swift,rudkx/swift,airspeedswift/swift,rudkx/swift,nathawes/swift,JGiola/swift,xwu/swift,jckarter/swift,airspeedswift/swift,parkera/swift,airspeedswift/swift,jmgc/swift,allevato/swift,stephentyrone/swift,ahoppen/swift,harlanhaskins/swift,JGiola/swift,JGiola/swift,CodaFi/swift,harlanhaskins/swift,parkera/swift,xwu/swift,ahoppen/swift,hooman/swift,atrick/swift,ahoppen/swift