stubs: match types in the stubs
stubs: match types in the stubs

The various uses where using `unsigned char` rather than `char`.  Adjust the one
instance accordingly.  Noticed when building the stubs for Windows.

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