try to fix Red hat bug #89957, do not output -L/usr/lib64 fixed a typo in

* xml2-config.in: try to fix Red hat bug #89957, do not
  output -L/usr/lib64
* xmlreader.c: fixed a typo in a comment
Daniel
diff --git a/xmlreader.c b/xmlreader.c
index c7b4015..c7ae1c8 100644
--- a/xmlreader.c
+++ b/xmlreader.c
@@ -940,7 +940,7 @@
  * @reader:  the xmlTextReaderPtr used
  *
  * Reads the contents of the current node and the full subtree. It then makes
- * the subtree availsble until the next xmlTextReaderRead() call
+ * the subtree available until the next xmlTextReaderRead() call
  *
  * Returns a node pointer valid until the next xmlTextReaderRead() call
  *         or NULL in case of error.