Got rid of infinite recursion when serializing $GLOBALS[].

ext/wddx/wddx.c

@@ -415,7 +415,11 @@ static void php_wddx_serialize_hash(wddx_packet *packet, zval *var)
 		}
 	}
 
-	while(zend_hash_get_current_data(target_hash, (void**)&ent) == SUCCESS) {
+	for (;zend_hash_get_current_data(target_hash, (void**)&ent) == SUCCESS;
+		  zend_hash_move_forward(target_hash)) {
+		if (*ent == var)
+			continue;
+
 		if (var->type == IS_OBJECT || hash_type == HASH_KEY_IS_STRING) {
 			ent_type = zend_hash_get_current_key(target_hash, &key, &idx);
 
@@ -428,8 +432,6 @@ static void php_wddx_serialize_hash(wddx_packet *packet, zval *var)
 			}
 		} else
 			php_wddx_serialize_var(packet, *ent, NULL);
-
-		zend_hash_move_forward(target_hash);
 	}
 	
 	if (var->type == IS_OBJECT || hash_type == HASH_KEY_IS_STRING) {