Fix example - it means what it says

diff --git a/UPGRADING b/UPGRADING
index f0b0acaf0117aa1e6196d56667d1f1650ef6da73..e94fed1cb1ffb1c051050358a9a56e100af84573 100755 (executable)
--- a/UPGRADING
+++ b/UPGRADING
@@ -285,7 +285,7 @@ UPGRADE NOTES - PHP 5.3
   Static HEREDOCs can be used to initialize static variables and class members
   or constants:
 
-      static $foo = <<<'LABEL'
+      static $foo = <<<LABEL
       No variables here...
       LABEL;