Update GlobalExecutor.cpp (#39798)
Update GlobalExecutor.cpp (#39798)

Correct the conditional include for non-Apple targets.  This would previously always resolve to false.
gregomni/swift,gregomni/swift,rudkx/swift,glessard/swift,gregomni/swift,roambotics/swift,JGiola/swift,benlangmuir/swift,ahoppen/swift,gregomni/swift,apple/swift,JGiola/swift,rudkx/swift,apple/swift,ahoppen/swift,ahoppen/swift,roambotics/swift,ahoppen/swift,xwu/swift,gregomni/swift,atrick/swift,benlangmuir/swift,apple/swift,glessard/swift,roambotics/swift,xwu/swift,ahoppen/swift,xwu/swift,glessard/swift,atrick/swift,xwu/swift,atrick/swift,rudkx/swift,JGiola/swift,roambotics/swift,atrick/swift,atrick/swift,rudkx/swift,JGiola/swift,roambotics/swift,apple/swift,JGiola/swift,JGiola/swift,xwu/swift,benlangmuir/swift,glessard/swift,xwu/swift,rudkx/swift,glessard/swift,rudkx/swift,apple/swift,apple/swift,glessard/swift,gregomni/swift,benlangmuir/swift,benlangmuir/swift,ahoppen/swift,roambotics/swift,xwu/swift,benlangmuir/swift,atrick/swift