fixed mistake in previous commit (ChangeLog is correct)

svn path=/trunk/; revision=3581
diff --git a/xmlreader.c b/xmlreader.c
index fe19875..f2bfa30 100644
--- a/xmlreader.c
+++ b/xmlreader.c
@@ -4862,9 +4862,9 @@
                    const char *encoding, int options)
 {
     if (reader == NULL) {
-/*        if (input != NULL)
+        if (input != NULL)
 	    xmlFreeParserInputBuffer(input);
-*/        return (-1);
+        return (-1);
     }
 
     /*