"Only variable references should be returned by reference"

Have such notices triggered by &get_config_vars() since upgrade to PHP 
4.4.1 / Smarty 2.6.10:

Run-time notice [8]
Only variable references should be returned by reference
in file "d:\docroots\tbweb\sys\libs\Smarty.class.php" line 1078

Similar bug was already fixed for &get_template_vars() in revision 1.518.


Index: Smarty.class.php
===================================================================
RCS file: /repository/smarty/libs/Smarty.class.php,v
retrieving revision 1.519
diff -u -w -b -r1.519 Smarty.class.php
--- Smarty.class.php	17 Aug 2005 14:59:25 -0000	1.519
+++ Smarty.class.php	7 Nov 2005 17:37:12 -0000
@@ -1077,6 +1077,10 @@
              return $this->_config[0]['vars'];
          } else if(isset($this->_config[0]['vars'][$name])) {
              return $this->_config[0]['vars'][$name];
+        } else {
+            // var non-existant, return valid reference
+            $_tmp = null;
+            return $_tmp;
          }
      }

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