prevents double call to internal iterator rewind handler

Closes #12060

Author: ju1ius

Zend/zend_interfaces.c

@@ -635,6 +635,7 @@ ZEND_METHOD(InternalIterator, rewind) {
 	}
 
 	intern->iter->funcs->rewind(intern->iter);
+	intern->rewind_called = 1;
 	intern->iter->index = 0;
 }