? modules/syndication
Index: includes/module.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/module.inc,v
retrieving revision 1.127
diff -u -p -r1.127 module.inc
--- includes/module.inc	27 Sep 2008 19:03:30 -0000	1.127
+++ includes/module.inc	11 Oct 2008 17:22:07 -0000
@@ -95,6 +95,7 @@ function module_rebuild_cache() {
     'package' => 'Other',
     'version' => NULL,
     'php' => DRUPAL_MINIMUM_PHP,
+    'files' => array(),
   );
 
   foreach ($files as $filename => $file) {
Index: modules/system/system.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.admin.inc,v
retrieving revision 1.97
diff -u -p -r1.97 system.admin.inc
--- modules/system/system.admin.inc	11 Oct 2008 15:54:14 -0000	1.97
+++ modules/system/system.admin.inc	11 Oct 2008 17:22:09 -0000
@@ -742,7 +742,7 @@ function _system_modules_build_row($info
   $status_long = '';
 
   // Check the core compatibility.
-  if (!isset($info['core']) || $info['core'] != DRUPAL_CORE_COMPATIBILITY) {
+  if (!isset($info['core']) || $info['core'] != DRUPAL_CORE_COMPATIBILITY || empty($info['files'])) {
     $compatible = FALSE;
     $status_short .= t('Incompatible with this version of Drupal core. ');
     $status_long .= t('This version is incompatible with the !core_version version of Drupal core. ', array('!core_version' => VERSION));