Index: concept_adapter.hpp
===================================================================
--- concept_adapter.hpp	(revision 48913)
+++ concept_adapter.hpp	(working copy)
@@ -100,8 +100,9 @@
     void close(BOOST_IOS::openmode which, Device* dev)
     { any_impl::close(t_, dev, which); }
 
+	template<typename TR>
     bool flush( BOOST_IOSTREAMS_BASIC_STREAMBUF(char_type,
-                BOOST_IOSTREAMS_CHAR_TRAITS(char_type))* sb )
+                TR)* sb )
     { 
         bool result = any_impl::flush(t_, sb);
         if (sb && sb->BOOST_IOSTREAMS_PUBSYNC() == -1)