Fixup

Author: danog

src/zend/handlers.rs

@@ -238,7 +238,8 @@ impl ZendObjectHandlers {
                         let mut zv = Zval::new();
                         val.get(self_, &mut zv)?;
 
-                        if zend_is_true(&zv) == 1 {
+                        #[allow(clippy::unnecessary_mut_passed)]
+                        if zend_is_true(&mut zv) == 1 {
                             return Ok(1);
                         }
                     }