Fix a warning.

diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index 5d1d4d1906d3691798d473ec87ae5227efc905b4..a2488f147f1a26eaaa759b846cc396e23e0eba2c 100644 (file)
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -556,7 +556,7 @@ static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass)
        else
                ce = Z_OBJCE_PP(obj);
        for (; ce != NULL; ce = ce->parent) {
-               if (!strncmp(ce->name, lcname, MIN(ce->name_length, Z_STRLEN_PP(class_name)))) {
+               if (!strncmp(ce->name, lcname, MIN(ce->name_length, (uint)Z_STRLEN_PP(class_name)))) {
                        efree(lcname);
                        RETURN_TRUE;
                }