Small clean-up.
Small clean-up.

Consistently use the local that has been initialized with the witness
table flags rather than sometimes using it, and sometimes not.

Swift SVN r29985

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