Update comment referring to status of LWG issue 111

	* include/bits/streambuf_iterator.h (istreambuf_iterator::equal):
	Update comment about NAD issue.

From-SVN: r253582

libstdc++-v3/ChangeLog

 2017-10-10  Jonathan Wakely  <jwakely@redhat.com>
 
+	* include/bits/streambuf_iterator.h (istreambuf_iterator::equal):
+	Update comment about NAD issue.
+
 	PR libstdc++/59087
 	PR libstdc++/82417
 	* include/c_compatibility/complex.h [!C++98 && __STRICT_ANSI__]: Do

libstdc++-v3/include/bits/streambuf_iterator.h

@@ -165,7 +165,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
       // _GLIBCXX_RESOLVE_LIB_DEFECTS
       // 110 istreambuf_iterator::equal not const
-      // NB: there is also number 111 (NAD, Future) pending on this function.
+      // NB: there is also number 111 (NAD) relevant to this function.
       /// Return true both iterators are end or both are not end.
       bool
       equal(const istreambuf_iterator& __b) const