tests: DejaGNU bgpd

this just wraps the existing test programs in expect wrappers that make
their results usable to DejaGNU.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/configure.ac b/configure.ac
index 582f357..32a59d9 100755
--- a/configure.ac
+++ b/configure.ac
@@ -1704,6 +1704,7 @@
 	  ripngd/Makefile bgpd/Makefile ospfd/Makefile watchquagga/Makefile
 	  ospf6d/Makefile isisd/Makefile babeld/Makefile vtysh/Makefile
 	  doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
+	  tests/bgpd.tests/Makefile
 	  redhat/Makefile
 	  pkgsrc/Makefile
 	  redhat/quagga.spec