CRM-14850, CRM-15089 - fatalErrorHandler - Use literal null instead of string 'null'

It's weird to see string 'null' in UI, and a quick grep
("svngrep default.*null settings/") shows that we generally don't have string 'null'
in settings.

diff --git a/settings/Developer.setting.php b/settings/Developer.setting.php
index 4d1dc8751b4a8eb6912d2097cea8cb251f78a740..0062ae5108d6db1368143eb9d1184368df189584 100644 (file)
--- a/settings/Developer.setting.php
+++ b/settings/Developer.setting.php
@@ -105,7 +105,7 @@ In the case of Drupal, this will cause all CiviCRM error messages to appear in t
     'type' => 'String',
     'quick_form_type' => 'Element',
     'html_type' => 'text',
-    'default' => 'null',
+    'default' => null,
     'add' => '4.3',
     'title' => 'Fatal Error Handler',
     'is_domain' => 1,