Committing patch #103216, autodetect of dbmmodule support and building
of dbmmodule dynamically by default (otherwise it can pull in
dependencies with libdb that croak pybsddb3).  This change moves the
Setup line for dbmmodule to Setup.config.in.
diff --git a/config.h.in b/config.h.in
index 5c2ac37..b1b711f 100644
--- a/config.h.in
+++ b/config.h.in
@@ -225,6 +225,9 @@
 /* Define if you want to use BSD db. */
 #undef WITH_LIBDB
 
+/* Define if you want to use ndbm. */
+#undef WITH_LIBNDBM
+
 /* Define if you want to produce an OpenStep/Rhapsody framework
    (shared library plus accessory files). */
 #undef WITH_NEXT_FRAMEWORK