Fix ActionMap syntax (new ActionMap without assignment)

client.cs

@@ -107,7 +107,7 @@ function RPGClient_EnableOverlay()
 	{
 		RPGClient_KeyMap.delete();
 	}
-	RPGClient_KeyMap = new ActionMap("RPGClient_KeyMap");
+	new ActionMap(RPGClient_KeyMap);
 	RPGClient_KeyMap.bind(keyboard0, a, RPGClient_YawLeft);
 	RPGClient_KeyMap.bind(keyboard0, d, RPGClient_YawRight);
 	RPGClient_KeyMap.bind(keyboard0, left, RPGClient_YawLeft);