fix possibly uninitialized value

diff --git a/ext/dom/document.c b/ext/dom/document.c
index 0826863429f43ecb6756384d78a99a458a7455a7..276627372bac7619fddd4c60833c35d611b6009b 100644 (file)
--- a/ext/dom/document.c
+++ b/ext/dom/document.c
@@ -2296,7 +2296,7 @@ PHP_FUNCTION(dom_document_save_html)
        xmlBufferPtr buf;
        dom_object *intern, *nodeobj;
        xmlChar *mem = NULL;
-       int size, format;
+       int size = 0, format;
        dom_doc_propsptr doc_props;
 
        if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(),