Fix leak in type metadata emission.
Fix leak in type metadata emission.

We were releasing the owned pointer rather than just letting it get
deleted when the unique_ptr goes out of scope.

Fixes rdar://problem/26245737.

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