Remove unnecessary cast<>s.
Remove unnecessary cast<>s.

Swift SVN r1451

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