More php8 compat fixes

include/pear/Calendar/Month/Weeks.php

@@ -100,9 +100,9 @@ class Calendar_Month_Weeks extends Calendar_Month
      *
      * @access public
      */
-    function Calendar_Month_Weeks($y, $m, $firstDay=null)
+    function __construct($y, $m, $firstDay=null)
     {
-        parent::Calendar_Month($y, $m, $firstDay);
+        parent::__construct($y, $m, $firstDay);
     }
 
     /**
@@ -163,4 +163,4 @@ class Calendar_Month_Weeks extends Calendar_Month
         }
     }
 }
-?>
+?>