Restore icon for expanding panel

resources/images/images.properties

@@ -24,6 +24,7 @@ service.gui.icons.SEARCH_ICON=resources/images/impl/gui/common/searchIcon.png
 service.gui.icons.SEARCH_ICON_16x16=resources/images/impl/gui/common/searchIcon16x16.png
 service.gui.icons.ADD_TO_CHAT_ICON=resources/images/impl/gui/buttons/addToChat.png
 service.gui.icons.DOWN_ARROW_ICON=resources/images/impl/gui/common/downArrow.png
+service.gui.icons.RIGHT_ARROW_ICON=resources/images/impl/gui/common/rightArrow.png
 service.gui.icons.INVITE_DIALOG_ICON=resources/images/impl/gui/common/inviteDialogIcon.png
 service.gui.icons.COPY_ICON=resources/images/impl/gui/buttons/copy.png
 service.gui.icons.CUT_ICON=resources/images/impl/gui/buttons/cut.png

src/net/java/sip/communicator/impl/gui/utils/ImageLoader.java

@@ -155,6 +155,12 @@ public class ImageLoader
     public static final ImageID DOWN_ARROW_ICON
         = new ImageID("service.gui.icons.DOWN_ARROW_ICON");
 
+    /**
+     * Closed group icon.
+     */
+    public static final ImageID RIGHT_ARROW_ICON
+        = new ImageID("service.gui.icons.RIGHT_ARROW_ICON");
+
     /**
      * The call button image.
      */