replace NULL with null

Another global search-and-replace update. Here, I've replaced the PHP
keyword 'NULL' with its lowercase version. This is another PEAR code
standards change.

darcs-hash:20081223192129-84dde-4a0182e0ec16a01ad88745ad3e08f7cb501aee0b.gz

1 files changed, 1 insertions, 1 deletions

diff --git a/actions/twitapihelp.php b/actions/twitapihelp.php
index d268b7c82..f0e9adfdb 100644
--- a/actions/twitapihelp.php
+++ b/actions/twitapihelp.php
@@ -32,7 +32,7 @@ class TwitapihelpAction extends TwitterapiAction {
 
         if ($apidata['content-type'] == 'xml') {
             $this->init_document('xml');
-            common_element('ok', NULL, 'true');
+            common_element('ok', null, 'true');
             $this->end_document('xml');
         } elseif ($apidata['content-type'] == 'json') {
             $this->init_document('json');