Add comment to CFG to 'buildCFG()' arguments indicating that scope support is not fully implemented.
Add comment to CFG to 'buildCFG()' arguments indicating that scope
support is not fully implemented.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@98555 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang