Update menu_im_session_showmodes.xml translation.

indra/newview/skins/default/xui/ja/menu_im_session_showmodes.xml

 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <toggleable_menu name="menu_modes">
+	<menu_item_check label="ＩＲＣ表示" name="fancy_compact_view"/>
 	<menu_item_check label="簡易表示" name="compact_view"/>
 	<menu_item_check label="詳細表示" name="expanded_view"/>
 	<menu_item_separator/>