Improve variable name in helper function.
Improve variable name in helper function.

Swift SVN r15621

khizkhiz/swift,frootloops/swift,allevato/swift,uasys/swift,danielmartin/swift,deyton/swift,lorentey/swift,harlanhaskins/swift,russbishop/swift,kusl/swift,aschwaighofer/swift,amraboelela/swift,deyton/swift,practicalswift/swift,kusl/swift,huonw/swift,benlangmuir/swift,sdulal/swift,therealbnut/swift,sdulal/swift,jtbandes/swift,alblue/swift,manavgabhawala/swift,brentdax/swift,tardieu/swift,bitjammer/swift,austinzheng/swift,johnno1962d/swift,parkera/swift,kstaring/swift,kusl/swift,therealbnut/swift,xwu/swift,ben-ng/swift,stephentyrone/swift,roambotics/swift,modocache/swift,stephentyrone/swift,mightydeveloper/swift,gribozavr/swift,tinysun212/swift-windows,kentya6/swift,glessard/swift,sdulal/swift,natecook1000/swift,russbishop/swift,tardieu/swift,KrishMunot/swift,dduan/swift,OscarSwanros/swift,modocache/swift,deyton/swift,apple/swift,shahmishal/swift,atrick/swift,xwu/swift,felix91gr/swift,swiftix/swift,gottesmm/swift,huonw/swift,xwu/swift,gottesmm/swift,LeoShimonaka/swift,emilstahl/swift,airspeedswift/swift,adrfer/swift,swiftix/swift.old,modocache/swift,kstaring/swift,adrfer/swift,therealbnut/swift,aschwaighofer/swift,ahoppen/swift,atrick/swift,ahoppen/swift,kperryua/swift,tinysun212/swift-windows,shajrawi/swift,benlangmuir/swift,emilstahl/swift,arvedviehweger/swift,practicalswift/swift,practicalswift/swift,adrfer/swift,Jnosh/swift,manavgabhawala/swift,lorentey/swift,kperryua/swift,tinysun212/swift-windows,austinzheng/swift,rudkx/swift,calebd/swift,felix91gr/swift,practicalswift/swift,hooman/swift,mightydeveloper/swift,alblue/swift,brentdax/swift,bitjammer/swift,kperryua/swift,shahmishal/swift,khizkhiz/swift,jtbandes/swift,apple/swift,slavapestov/swift,harlanhaskins/swift,shajrawi/swift,amraboelela/swift,sschiau/swift,codestergit/swift,alblue/swift,harlanhaskins/swift,kperryua/swift,tjw/swift,parkera/swift,gregomni/swift,roambotics/swift,gottesmm/swift,emilstahl/swift,MukeshKumarS/Swift,mightydeveloper/swift,gregomni/swift,allevato/swift,kstaring/swift,rudkx/swift,djwbrown/swift,bitjammer/swift,milseman/swift,JaSpa/swift,johnno1962d/swift,ken0nek/swift,aschwaighofer/swift,tjw/swift,calebd/swift,nathawes/swift,sschiau/swift,tkremenek/swift,uasys/swift,stephentyrone/swift,airspeedswift/swift,xedin/swift,xedin/swift,natecook1000/swift,KrishMunot/swift,xedin/swift,shajrawi/swift,MukeshKumarS/Swift,shajrawi/swift,Jnosh/swift,gribozavr/swift,alblue/swift,therealbnut/swift,shahmishal/swift,gottesmm/swift,jtbandes/swift,tinysun212/swift-windows,ahoppen/swift,kentya6/swift,jtbandes/swift,kentya6/swift,felix91gr/swift,return/swift,IngmarStein/swift,karwa/swift,glessard/swift,jmgc/swift,kentya6/swift,hooman/swift,benlangmuir/swift,alblue/swift,IngmarStein/swift,huonw/swift,milseman/swift,codestergit/swift,airspeedswift/swift,jmgc/swift,return/swift,roambotics/swift,jopamer/swift,KrishMunot/swift,kperryua/swift,parkera/swift,zisko/swift,slavapestov/swift,modocache/swift,nathawes/swift,MukeshKumarS/Swift,devincoughlin/swift,KrishMunot/swift,calebd/swift,Ivacker/swift,uasys/swift,kusl/swift,arvedviehweger/swift,bitjammer/swift,khizkhiz/swift,kusl/swift,benlangmuir/swift,manavgabhawala/swift,mightydeveloper/swift,frootloops/swift,hooman/swift,uasys/swift,codestergit/swift,zisko/swift,IngmarStein/swift,calebd/swift,devincoughlin/swift,OscarSwanros/swift,felix91gr/swift,emilstahl/swift,tardieu/swift,arvedviehweger/swift,IngmarStein/swift,sdulal/swift,johnno1962d/swift,therealbnut/swift,amraboelela/swift,ben-ng/swift,IngmarStein/swift,apple/swift,rudkx/swift,swiftix/swift,sdulal/swift,aschwaighofer/swift,shahmishal/swift,aschwaighofer/swift,LeoShimonaka/swift,swiftix/swift.old,ben-ng/swift,shajrawi/swift,tjw/swift,felix91gr/swift,shajrawi/swift,karwa/swift,jckarter/swift,codestergit/swift,gmilos/swift,practicalswift/swift,CodaFi/swift,kstaring/swift,gribozavr/swift,jopamer/swift,natecook1000/swift,kstaring/swift,MukeshKumarS/Swift,xedin/swift,russbishop/swift,allevato/swift,djwbrown/swift,xedin/swift,jmgc/swift,dduan/swift,JaSpa/swift,danielmartin/swift,amraboelela/swift,IngmarStein/swift,allevato/swift,gmilos/swift,karwa/swift,jckarter/swift,Ivacker/swift,mightydeveloper/swift,calebd/swift,atrick/swift,russbishop/swift,frootloops/swift,milseman/swift,ken0nek/swift,slavapestov/swift,dduan/swift,gottesmm/swift,rudkx/swift,tinysun212/swift-windows,tinysun212/swift-windows,JGiola/swift,Ivacker/swift,adrfer/swift,jopamer/swift,nathawes/swift,hooman/swift,amraboelela/swift,calebd/swift,KrishMunot/swift,manavgabhawala/swift,manavgabhawala/swift,danielmartin/swift,parkera/swift,practicalswift/swift,swiftix/swift.old,aschwaighofer/swift,swiftix/swift,felix91gr/swift,atrick/swift,stephentyrone/swift,lorentey/swift,ben-ng/swift,LeoShimonaka/swift,xwu/swift,swiftix/swift,alblue/swift,zisko/swift,codestergit/swift,uasys/swift,jtbandes/swift,xwu/swift,ben-ng/swift,swiftix/swift.old,tardieu/swift,JaSpa/swift,gregomni/swift,CodaFi/swift,swiftix/swift,arvedviehweger/swift,lorentey/swift,shahmishal/swift,djwbrown/swift,glessard/swift,swiftix/swift.old,modocache/swift,adrfer/swift,harlanhaskins/swift,karwa/swift,MukeshKumarS/Swift,IngmarStein/swift,cbrentharris/swift,benlangmuir/swift,frootloops/swift,bitjammer/swift,jopamer/swift,gribozavr/swift,Jnosh/swift,apple/swift,return/swift,shajrawi/swift,OscarSwanros/swift,jckarter/swift,cbrentharris/swift,harlanhaskins/swift,khizkhiz/swift,roambotics/swift,zisko/swift,airspeedswift/swift,SwiftAndroid/swift,JaSpa/swift,austinzheng/swift,kusl/swift,nathawes/swift,brentdax/swift,djwbrown/swift,SwiftAndroid/swift,slavapestov/swift,devincoughlin/swift,Jnosh/swift,deyton/swift,OscarSwanros/swift,gottesmm/swift,cbrentharris/swift,natecook1000/swift,CodaFi/swift,jopamer/swift,arvedviehweger/swift,zisko/swift,djwbrown/swift,russbishop/swift,hughbe/swift,LeoShimonaka/swift,jmgc/swift,sschiau/swift,austinzheng/swift,Jnosh/swift,jmgc/swift,codestergit/swift,OscarSwanros/swift,JaSpa/swift,calebd/swift,mightydeveloper/swift,Jnosh/swift,Ivacker/swift,tardieu/swift,amraboelela/swift,russbishop/swift,kstaring/swift,Ivacker/swift,xwu/swift,glessard/swift,LeoShimonaka/swift,uasys/swift,tkremenek/swift,xedin/swift,tjw/swift,danielmartin/swift,therealbnut/swift,harlanhaskins/swift,practicalswift/swift,gmilos/swift,glessard/swift,khizkhiz/swift,devincoughlin/swift,sschiau/swift,stephentyrone/swift,deyton/swift,dduan/swift,SwiftAndroid/swift,milseman/swift,mightydeveloper/swift,tkremenek/swift,JGiola/swift,austinzheng/swift,cbrentharris/swift,sschiau/swift,ahoppen/swift,therealbnut/swift,lorentey/swift,swiftix/swift.old,dreamsxin/swift,frootloops/swift,karwa/swift,gregomni/swift,tjw/swift,OscarSwanros/swift,CodaFi/swift,stephentyrone/swift,jckarter/swift,JaSpa/swift,kperryua/swift,rudkx/swift,xwu/swift,gottesmm/swift,johnno1962d/swift,adrfer/swift,swiftix/swift,gmilos/swift,SwiftAndroid/swift,jopamer/swift,sdulal/swift,aschwaighofer/swift,return/swift,swiftix/swift.old,natecook1000/swift,allevato/swift,dduan/swift,jckarter/swift,deyton/swift,gregomni/swift,parkera/swift,tardieu/swift,apple/swift,jopamer/swift,xedin/swift,jckarter/swift,MukeshKumarS/Swift,gribozavr/swift,bitjammer/swift,nathawes/swift,jckarter/swift,parkera/swift,jmgc/swift,slavapestov/swift,hughbe/swift,emilstahl/swift,slavapestov/swift,kentya6/swift,JGiola/swift,Ivacker/swift,bitjammer/swift,Jnosh/swift,kusl/swift,return/swift,dreamsxin/swift,hooman/swift,nathawes/swift,danielmartin/swift,tjw/swift,gmilos/swift,ben-ng/swift,tkremenek/swift,djwbrown/swift,airspeedswift/swift,cbrentharris/swift,austinzheng/swift,benlangmuir/swift,cbrentharris/swift,brentdax/swift,alblue/swift,manavgabhawala/swift,devincoughlin/swift,CodaFi/swift,johnno1962d/swift,devincoughlin/swift,hughbe/swift,lorentey/swift,amraboelela/swift,KrishMunot/swift,JGiola/swift,allevato/swift,zisko/swift,ben-ng/swift,JGiola/swift,kentya6/swift,frootloops/swift,sschiau/swift,codestergit/swift,modocache/swift,hooman/swift,felix91gr/swift,karwa/swift,SwiftAndroid/swift,kentya6/swift,zisko/swift,swiftix/swift.old,shahmishal/swift,hughbe/swift,ken0nek/swift,brentdax/swift,glessard/swift,natecook1000/swift,nathawes/swift,tinysun212/swift-windows,johnno1962d/swift,parkera/swift,khizkhiz/swift,johnno1962d/swift,milseman/swift,airspeedswift/swift,ken0nek/swift,adrfer/swift,danielmartin/swift,OscarSwanros/swift,shahmishal/swift,sdulal/swift,brentdax/swift,russbishop/swift,tardieu/swift,emilstahl/swift,roambotics/swift,dduan/swift,emilstahl/swift,lorentey/swift,gribozavr/swift,arvedviehweger/swift,kentya6/swift,slavapestov/swift,devincoughlin/swift,LeoShimonaka/swift,airspeedswift/swift,gribozavr/swift,CodaFi/swift,apple/swift,parkera/swift,xedin/swift,SwiftAndroid/swift,emilstahl/swift,hooman/swift,huonw/swift,jmgc/swift,JaSpa/swift,LeoShimonaka/swift,mightydeveloper/swift,hughbe/swift,rudkx/swift,gregomni/swift,kusl/swift,ken0nek/swift,natecook1000/swift,jtbandes/swift,karwa/swift,lorentey/swift,hughbe/swift,gribozavr/swift,atrick/swift,harlanhaskins/swift,ken0nek/swift,SwiftAndroid/swift,arvedviehweger/swift,ken0nek/swift,sdulal/swift,stephentyrone/swift,kstaring/swift,jtbandes/swift,sschiau/swift,huonw/swift,dduan/swift,CodaFi/swift,khizkhiz/swift,swiftix/swift,ahoppen/swift,ahoppen/swift,shahmishal/swift,frootloops/swift,austinzheng/swift,modocache/swift,allevato/swift,karwa/swift,sschiau/swift,uasys/swift,JGiola/swift,tkremenek/swift,huonw/swift,manavgabhawala/swift,tkremenek/swift,huonw/swift,KrishMunot/swift,kperryua/swift,LeoShimonaka/swift,brentdax/swift,return/swift,cbrentharris/swift,practicalswift/swift,atrick/swift,milseman/swift,devincoughlin/swift,milseman/swift,roambotics/swift,shajrawi/swift,Ivacker/swift,tjw/swift,hughbe/swift,djwbrown/swift,cbrentharris/swift,gmilos/swift,Ivacker/swift,danielmartin/swift,deyton/swift,MukeshKumarS/Swift,return/swift,gmilos/swift,tkremenek/swift