websocket: docs - removed trailing spaces

src/modules/websocket/doc/websocket.xml

@@ -28,6 +28,6 @@
 	</copyright>
 	</bookinfo>
 	<toc></toc>
-	
+
 	<xi:include href="websocket_admin.xml"/>
 </book>

src/modules/websocket/doc/websocket_admin.xml

@@ -715,7 +715,7 @@ event_route[websocket:closed] {
 	</section>
 
 	</section>
- 
+
 	<section>
 		<title>Exported Pseudo Variables</title>
 		<section>