[opw-web] Don't show controls to delete attachments when project isn't editable

[Owen Taylor <otaylor src gnome org>]

commit 03c8fd53601eb225501ad7a504d50e27140302bc
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Tue Mar 18 16:11:04 2014 -0400

    Don't show controls to delete attachments when project isn't editable

 modules/mod_view_projects.php |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modules/mod_view_projects.php b/modules/mod_view_projects.php
index 27989b7..facad03 100644
--- a/modules/mod_view_projects.php
+++ b/modules/mod_view_projects.php
@@ -583,7 +583,7 @@ else if ($action == 'view')
     // Attachments
 
     $can_view_attachments = $is_owner || $role == 'm' || $user->is_admin;
-    $can_delete_attachments = $is_owner || $user->is_admin;
+    $can_delete_attachments = $project_permissions->can_edit;
 
     if ($can_view_attachments) {
         $sql = "SELECT * FROM {$db->prefix}attachments " .