should finish the migration of exported includes into a real

* configure.in: should finish the migration of exported includes
  into a real include/libxml in CVS, at least for CVS users.
* removed the exported headers, added in include/libxml (as well
  as xmlversion.h.in).
Daniel
diff --git a/include/libxml/xmlversion.h b/include/libxml/xmlversion.h
index f188e80..06620e0 100644
--- a/include/libxml/xmlversion.h
+++ b/include/libxml/xmlversion.h
@@ -153,7 +153,7 @@
  *
  * Whether the memory debugging is configured in
  */
-#if 0
+#if 1
 #define DEBUG_MEMORY_LOCATION
 #endif