bug 860 related: don't try to update the configuration during install because

pwg_query is not available yet.

git-svn-id: http://piwigo.org/svn/trunk@5999 68402e56-0260-453c-a942-63ccdbb3a9ee

include/template.class.php

@@ -67,7 +67,9 @@ class Template {
           false // show trace
           );
       }
-      conf_update_param('local_data_dir_checked', 'true');
+      if (function_exists('pwg_query')) {
+        conf_update_param('local_data_dir_checked', 'true');
+      }
     }
     
     $compile_dir = $conf['local_data_dir'].'/templates_c';