Pass remote_message_header to the dispatch functions.

This is necessary for the dispatch functions to be able to use
streams in the future.
Signed-off-by: NChris Lalancette <clalance@redhat.com>

daemon/dispatch.c

@@ -503,7 +503,7 @@ remoteDispatchClientCall (struct qemud_server *server,
      *
      *   'conn', 'rerr', 'args and 'ret'
      */
-    rv = (data->fn)(server, client, conn, &rerr, &args, &ret);
+    rv = (data->fn)(server, client, conn, &msg->hdr, &rerr, &args, &ret);
 
     virMutexLock(&server->lock);
     virMutexLock(&client->lock);

daemon/remote.h

@@ -54,6 +54,7 @@ typedef union {
 typedef int (*dispatch_fn) (struct qemud_server *server,
                             struct qemud_client *client,
                             virConnectPtr conn,
+                            remote_message_header *hdr,
                             remote_error *err,
                             dispatch_args *args,
                             dispatch_ret *ret);

daemon/remote_generate_stubs.pl

@@ -115,6 +115,7 @@ elsif ($opt_p) {
 	print "    struct qemud_server *server,\n";
 	print "    struct qemud_client *client,\n";
 	print "    virConnectPtr conn,\n";
+	print "    remote_message_header *hdr,\n";
 	print "    remote_error *err,\n";
 	print "    $calls{$_}->{args} *args,\n";
 	print "    $calls{$_}->{ret} *ret);\n";