fix crash in define()

diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index 614cf3040bd6d6ddc005bef3945ab472e0f91db5..d4878b379ea66afcad6f7f3494a9ee755797645a 100644 (file)
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -460,7 +460,7 @@ ZEND_FUNCTION(define)
        zstr name;
        int name_len;
        zend_uchar name_type;
-       zval *val, *val_free;
+       zval *val, *val_free = NULL;
        zend_bool non_cs = 0;
        int case_sensitive = CONST_CS;
        zend_constant c;