simplify some code.
simplify some code.


Swift SVN r28249

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