initalize variable in domxml_doc_document_element()

diff --git a/ext/domxml/php_domxml.c b/ext/domxml/php_domxml.c
index 74d6f0bb470eba4907b99c8d0e506d46c0b57cf5..0c2439d2600aee20a87de9894bc8e1686899930a 100644 (file)
--- a/ext/domxml/php_domxml.c
+++ b/ext/domxml/php_domxml.c
@@ -2943,7 +2943,7 @@ PHP_FUNCTION(domxml_doc_implementation)
    Returns root node of document */
 PHP_FUNCTION(domxml_doc_document_element)
 {
-       zval *id, *rv;
+       zval *id, *rv = NULL;
        xmlDoc *docp;
        xmlNode *root;
        int ret;