Add group info patch

Fix whitespace, add NOSAVE comment in vehicle struct

http://www.tt-forums.net/viewtopic.php?f=33&t=72855

src/widgets/group_widget.h

@@ -32,6 +32,7 @@ enum GroupListWidgets {
 	WID_GL_DELETE_GROUP,             ///< Delete group button.
 	WID_GL_RENAME_GROUP,             ///< Rename group button.
 	WID_GL_REPLACE_PROTECTION,       ///< Replace protection button.
+	WID_GL_INFO,                     ///< Group info.
 };
 
 #endif /* WIDGETS_GROUP_WIDGET_H */