62e32042ae
Use the std::vector::back() instead of [0] index which corresponds to std::vector::push_back() for tracking of pads. This doesn't introduce a functional change as the gst_libcamera_src_init() will only add one pad but it helps with readability. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>