[libsanitizer] configure+make: install include/sanitizer into Clang
[libsanitizer] configure+make: install include/sanitizer into Clang

When building Clang with compiler-rt, copy the contents of compiler-rt/include/sanitizer into lib/clang/3.4/include/sanitizer



git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@193515 91177308-0d34-0410-b5e6-96231b3b80d8

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