ASTScope: Fix typo in ASTScope.h
ASTScope: Fix typo in ASTScope.h

preceeding -> preceding
parkera/swift,hooman/swift,xwu/swift,roambotics/swift,apple/swift,glessard/swift,roambotics/swift,parkera/swift,hooman/swift,parkera/swift,tkremenek/swift,glessard/swift,apple/swift,ahoppen/swift,atrick/swift,JGiola/swift,rudkx/swift,ahoppen/swift,ahoppen/swift,apple/swift,glessard/swift,xwu/swift,parkera/swift,hooman/swift,hooman/swift,gregomni/swift,JGiola/swift,roambotics/swift,tkremenek/swift,atrick/swift,atrick/swift,atrick/swift,atrick/swift,benlangmuir/swift,atrick/swift,ahoppen/swift,glessard/swift,glessard/swift,xwu/swift,tkremenek/swift,apple/swift,ahoppen/swift,JGiola/swift,rudkx/swift,roambotics/swift,apple/swift,xwu/swift,JGiola/swift,rudkx/swift,parkera/swift,tkremenek/swift,glessard/swift,benlangmuir/swift,parkera/swift,hooman/swift,tkremenek/swift,tkremenek/swift,roambotics/swift,JGiola/swift,xwu/swift,rudkx/swift,xwu/swift,gregomni/swift,gregomni/swift,benlangmuir/swift,roambotics/swift,gregomni/swift,hooman/swift,JGiola/swift,rudkx/swift,parkera/swift,hooman/swift,tkremenek/swift,apple/swift,benlangmuir/swift,gregomni/swift,rudkx/swift,xwu/swift,parkera/swift,gregomni/swift,ahoppen/swift,benlangmuir/swift,benlangmuir/swift