fixed make distcheck and rebuilding the rpms Daniel

* include/Makefile.am include/libxml/Makefile.am: fixed make
  distcheck and rebuilding the rpms
Daniel
diff --git a/include/libxml/xmlversion.h b/include/libxml/xmlversion.h
index 06620e0..f188e80 100644
--- a/include/libxml/xmlversion.h
+++ b/include/libxml/xmlversion.h
@@ -153,7 +153,7 @@
  *
  * Whether the memory debugging is configured in
  */
-#if 1
+#if 0
 #define DEBUG_MEMORY_LOCATION
 #endif