Some RTL CSS files had wrong CVS Id comments, fix that

modules/forum/forum-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 #forum tr td.forum {
   padding-left: inherit;

modules/node/node-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 #node-admin-buttons {
   float: right;

modules/poll/poll-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 .poll .bar .foreground {
   float: right;

modules/search/search-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 .search-advanced .criterion {
   float: right;

modules/system/admin-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 div.admin-panel .body {
   padding: 0 8px 2px 4px;

modules/system/defaults-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 th {
   text-align: right;

modules/system/system-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 .item-list .icon {
   float: left;

modules/user/user-rtl.css

-/* $Id $ */
+/* $Id$ */
 
 #permissions td.permission {
   padding-left: inherit;