ndnboost: Also rename BOOST_ to NDNBOOST_
diff --git a/include/ndnboost/io_fwd.hpp b/include/ndnboost/io_fwd.hpp
index c58e9e3..755a58a 100644
--- a/include/ndnboost/io_fwd.hpp
+++ b/include/ndnboost/io_fwd.hpp
@@ -6,8 +6,8 @@
// See <http://www.boost.org/libs/io/> for the library's home page.
-#ifndef BOOST_IO_FWD_HPP
-#define BOOST_IO_FWD_HPP
+#ifndef NDNBOOST_IO_FWD_HPP
+#define NDNBOOST_IO_FWD_HPP
#include <iosfwd> // for std::char_traits (declaration)
@@ -64,4 +64,4 @@
} // namespace ndnboost
-#endif // BOOST_IO_FWD_HPP
+#endif // NDNBOOST_IO_FWD_HPP