ClangImporter: Give NS_OPTIONS imports a default constructor.
ClangImporter: Give NS_OPTIONS imports a default constructor.

Add a default constructor to imported NS_OPTIONS types that sets their raw value to zero (no options).

Swift SVN r13111

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