_parse_resource_name() returned true on non-existant absolute

paths. This caused a warning on _fetch_resource_info() when used in
conjunction with template_exists(). It should be fixed now without
negative effects.

NEWS

@@ -1,3 +1,4 @@
+  - fix avoid warning with template_exists() on an absolute paths (messju)
   - fix parameters passed to resource's secure()-function (messju)
   - fix handling of integer values like width and delay im
     smarty_function_popup() (messju)

libs/Smarty.class.php

@@ -1665,6 +1665,9 @@ class Smarty
                     }
                 }
                 return false;
+            } else {
+                /* absolute path */
+                return file_exists($params['resource_name']);
             }
         } elseif (empty($this->_plugins['resource'][$params['resource_type']])) {
             $_params = array('type' => $params['resource_type']);