Removed old and unneeded ::kernel_2a typedef references.

dlib/bridge/bridge.h

@@ -388,7 +388,7 @@ namespace dlib
                     {
                         if (receive_pipe)
                         {
-                            sockstreambuf::kernel_2a buf(con);
+                            sockstreambuf buf(con);
                             std::istream in(&buf);
                             typename receive_pipe_type::type item;
                             // This isn't necessary but doing it avoids a warning about
@@ -466,7 +466,7 @@ namespace dlib
 
                     try
                     {
-                        sockstreambuf::kernel_2a buf(con);
+                        sockstreambuf buf(con);
                         std::ostream out(&buf);
                         typename transmit_pipe_type::type item;
                         // This isn't necessary but doing it avoids a warning about

dlib/bsp/bsp.h

@@ -54,7 +54,7 @@ namespace dlib
             }
 
             scoped_ptr<connection> con;
-            sockstreambuf::kernel_2a buf;
+            sockstreambuf buf;
             std::iostream stream;
             bool terminated;
         };