libstdc++: Fix mismatched @cond and @endcond in <type_traits>

I messed up the Doxygen conditionals in r16-1077-gb32bf304793047.

libstdc++-v3/ChangeLog:

	* include/std/type_traits: Restore @cond and @endcond balance.

diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits
index c8907fe4d382cf0151e519178c0ec89bd15ec116..abff9f88000123d5745fb138f123253d9280faf1 100644 (file)
--- a/libstdc++-v3/include/std/type_traits
+++ b/libstdc++-v3/include/std/type_traits
@@ -1036,6 +1036,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     struct __is_array_unknown_bounds<_Tp[]>
     : public true_type
     { };
+  /// @endcond
 
   // Destructible and constructible type properties.
 
@@ -1046,6 +1047,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     : public __bool_constant<__is_destructible(_Tp)>
     { };
 #else
+  /// @cond undocumented
+
   // In N3290 is_destructible does not say anything about function
   // types and abstract types, see LWG 2049. This implementation
   // describes function types as non-destructible and all complete