fix compile warning

diff --git a/ext/spl/spl_array.c b/ext/spl/spl_array.c
index 6e9b388b5cc22bf21951c330f759e8115742751d..4ab0bba2c23e97877e7672077c55dd221a532968 100755 (executable)
--- a/ext/spl/spl_array.c
+++ b/ext/spl/spl_array.c
@@ -1725,7 +1725,7 @@ int spl_array_unserialize(zval **object, zend_class_entry *ce, const unsigned ch
                zval *zdata;
                php_unserialize_data_t *before;
                MAKE_STD_ZVAL(zdata);
-               ZVAL_STRINGL(zdata, buf, buf_len, 1);
+               ZVAL_STRINGL(zdata, (char *)buf, buf_len, 1);
 
                before = intern->unserialize_data;
                intern->unserialize_data = (php_unserialize_data_t *)data;