Issues-382: fixed duplicated closed tag

Author: atelomycterus

class.groups.plugin.php

@@ -194,7 +194,7 @@ public function discussionsController_beforeDiscussionMetaData_handler($sender,
 
                 $group = $groupModel->getByGroupID($groupID);
                 $type = ucfirst(GroupsPlugin::UI[$group->Type]['TypeName']);
-                echo '<div class="Meta Meta-Discussion Group-Info">'.
+                echo '<div class="Meta Meta-Discussion-Group Group-Info">'.
                         '<span class="MItem ">'.
                             '<span class="label">'.$type.':&nbsp;</span>'.
                             '<span class="value">'.anchor($group->Name, $url).'</span>'.