adding tops where needed

doc/microhttpd.texi

@@ -739,7 +739,7 @@ responce and we finally destroy it only when the daemon shuts down.
 @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 @c ------------------------------------------------------------
-@node microhttpd-response enqueue
+@node microhttpd-response enqueue,microhttpd-responses
 @@section Enqueuing a response
 
 
@@ -814,7 +814,7 @@ the @code{MHD_Response} object is released.
 @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 @c ------------------------------------------------------------
-@node microhttpd-response create
+@node microhttpd-response create,microhttpd-responses
 @@section Creating response objects
 
 
@@ -890,7 +890,7 @@ MHD_destroy_response(response);
 @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 @c ------------------------------------------------------------
-@node microhttpd-response headers
+@node microhttpd-response headers,microhttpd-responses
 @@section Adding headers to a response
 
 
@@ -916,7 +916,7 @@ Delete a header line from the response.  Return @code{MHD_NO} on error
 @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 @c ------------------------------------------------------------
-@node microhttpd-response inspect
+@node microhttpd-response inspect,microhttpd-responses
 @@section Inspecting a response object
 
 
@@ -1041,7 +1041,7 @@ always terminate normally.
 @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 @c ------------------------------------------------------------
-@node microhttpd-post api
+@node microhttpd-post api,microhttpd-post
 @@section Programming interface for the @code{POST} processor