Headers: Hide intptr_t and uintptr_t definitions behind _INTPTR_T and _UINTPTR_T defines, for increased compatibility with Darwin gcc.  - This is a bit of a hack, since platform compatibility issues don't belong    here, but I don't think this hurts anyone either.
Headers: Hide intptr_t and uintptr_t definitions behind _INTPTR_T and _UINTPTR_T
defines, for increased compatibility with Darwin gcc.
 - This is a bit of a hack, since platform compatibility issues don't belong
   here, but I don't think this hurts anyone either.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@102264 91177308-0d34-0410-b5e6-96231b3b80d8

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