Make vector<bool>::reference and const_reference public

llvm-svn: 134815
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 7ae42ef0bf81a750ccd21bd3ec52671a37d507c6
diff --git a/include/vector b/include/vector
index d8c9feb..2aebf5c 100644
--- a/include/vector
+++ b/include/vector
@@ -1801,10 +1801,10 @@
     __storage_pointer                                      __begin_;
     size_type                                              __size_;
     __compressed_pair<size_type, __storage_allocator> __cap_alloc_;
-
+public:
     typedef __bit_reference<vector>                  reference;
     typedef __bit_const_reference<vector>            const_reference;
-
+private:
     _LIBCPP_INLINE_VISIBILITY
     size_type& __cap() _NOEXCEPT
         {return __cap_alloc_.first();}