Print view isn't accesible if the activity is hidden.

Bug 1837
(http://moodle.org/bugs/bug.php?op=show&bugid=1837)

Merged from MOODLE_14_STABLE

mod/glossary/print.php

@@ -41,6 +41,10 @@
 
     require_course_login($course);
 
+    if (!$cm->visible and !isteacher($course->id)) {
+        notice(get_string("activityiscurrentlyhidden"));
+    }
+
 /// setting the default values for the display mode of the current glossary
 /// only if the glossary is viewed by the first time
     if ( $dp = get_record('glossary_formats','name', $glossary->displayformat) ) {

mod/glossary/view.php

@@ -111,6 +111,7 @@
         require_login($course->id);
     }
     if (!$cm->visible and !isteacher($course->id)) {
+        print_header();
         notice(get_string("activityiscurrentlyhidden"));
     } 
     add_to_log($course->id, "glossary", "view", "view.php?id=$cm->id&tab=$tab", $glossary->id, $cm->id);