Index: thread.hpp
===================================================================
--- thread.hpp	(revision 62599)
+++ thread.hpp	(working copy)
@@ -396,7 +396,7 @@
             thread_data(thread_data_)
         {}
         friend class thread;
-        friend id this_thread::get_id();
+        friend id BOOST_THREAD_DECL this_thread::get_id();
     public:
         id():
             thread_data()