Revert my http://hasso.linux.ee/zebra/ht-ifrmap-14042003.patch patch. Used
same idea as in lib/distribute.c to allow extract.pl to pick up commands
for vtysh.
diff --git a/vtysh/extract.pl b/vtysh/extract.pl
index 4a49a62..ca88cf7 100755
--- a/vtysh/extract.pl
+++ b/vtysh/extract.pl
@@ -108,6 +108,9 @@
                  $protocol = "VTYSH_RIPD";
               }
            }
+           if ($file =~ /if_rmap.c/) {
+              $protocol = "VTYSH_RIPNGD";
+           }
         } else {
            ($protocol) = ($file =~ /\/([a-z0-9]+)/);
            $protocol = "VTYSH_" . uc $protocol;