Fixed a typo

diff --git a/enrol/manual/enrol.php b/enrol/manual/enrol.php
index e5b497c06e2a8f19b5b411bac08fa4ba40a47853..7767d493f53034fb4015f7dd8d022cf1be880f32 100644 (file)
--- a/enrol/manual/enrol.php
+++ b/enrol/manual/enrol.php
@@ -320,6 +320,8 @@ function get_access_icons($course) {
         $strrequireskey = get_string('requireskey');
     }
 
+    $str = '';
+
     if (!empty($course->guest)) {
         $str .= '<a title="'.$strallowguests.'" href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">';
         $str .= '<img vspace="4" alt="'.$strallowguests.'" height="16" width="16" border="0" '.