UIKit overlay: fix a warning
UIKit overlay: fix a warning

Swift SVN r29163

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