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, 2 insertions, 2 deletions

diff --git a/actions/newmessage.php b/actions/newmessage.php
index 121fc4246..eb582c2a5 100644
--- a/actions/newmessage.php
+++ b/actions/newmessage.php
@@ -98,7 +98,7 @@ class NewmessageAction extends Action {
         common_message_form($content, $user, $to);
     }
 
-    function show_form($msg=NULL) {
+    function show_form($msg=null) {
         
         $content = $this->trimmed('content');
         $user = common_current_user();
@@ -117,7 +117,7 @@ class NewmessageAction extends Action {
             return;
         }
         
-        common_show_header(_('New message'), NULL,
+        common_show_header(_('New message'), null,
                            array($content, $user, $other),
                            array($this, 'show_top'));