Fixing a crash due to unguarded API call. rdar://22581469
Fixing a crash due to unguarded API call. rdar://22581469

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