fixed the way to detect symlink Daniel

* configure.in: fixed the way to detect symlink
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