fix signed/unsigned mismatch

diff --git a/Zend/zend_interfaces.c b/Zend/zend_interfaces.c
index 8c55f3d7c1c000dfb3c5f34dbaa4d2e77d708691..8a35997075488989c97fbbf638bfd857adf79f02 100644 (file)
--- a/Zend/zend_interfaces.c
+++ b/Zend/zend_interfaces.c
@@ -325,7 +325,8 @@ static int zend_implement_traversable(zend_class_entry *interface, zend_class_en
 /* {{{ zend_implement_aggregate */
 static int zend_implement_aggregate(zend_class_entry *interface, zend_class_entry *class_type TSRMLS_DC)
 {
-       int i, t = -1;
+       uint32_t i;
+       int t = -1;
 
        if (class_type->get_iterator) {
                if (class_type->type == ZEND_INTERNAL_CLASS) {