Index: devel.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/devel/devel.module,v
retrieving revision 1.473
diff -u -r1.473 devel.module
--- devel.module	16 Jan 2011 00:17:13 -0000	1.473
+++ devel.module	24 Jan 2011 14:46:07 -0000
@@ -373,10 +373,12 @@
       has_krumo();
 
       // See http://www.firephp.org/HQ/Install.htm
-      $path = NULL;
       if (@include_once('fb.php')) {
         // FirePHPCore is in include_path. Probably a PEAR installation.
-        $path = '';
+        $firephp_path = '';
+        $chromephp_path = '';
+        @include_once 'FirePHP.class.php';
+        @include_once 'ChromePhp.php';
       }
       elseif (module_exists('libraries')) {
         // Support Libraries API - http://drupal.org/project/libraries