remove RCS tag
remove RCS tag

thanks testn

mcanthony/libvips,wishabi/libvips,jcupitt/libvips,mcanthony/libvips,leiyangyou/libvips,lovell/libvips,lovell/libvips,leiyangyou/libvips,leiyangyou/libvips,leiyangyou/libvips,wishabi/libvips,wishabi/libvips,jcupitt/libvips,jcupitt/libvips,jcupitt/libvips,lovell/libvips,lovell/libvips,wishabi/libvips,mcanthony/libvips,mcanthony/libvips