message: Fix BayerXX2RGBA when blue is on the first line.
diff: @@ -923,8 +923,10 @@ static void Bayer2RGB_( const Mat& srcmat, Mat& dstmat, int code )
  {
  int dst_step = (int)(dstmat.step/sizeof(T));
  Size size = srcmat.size();
  - int blue = code == CV_BayerBG2BGR || code == CV_BayerGB2BGR ? -1 : 1;
  - int start_with_green = code == CV_BayerGB2BGR || code == CV_BayerGR2BGR;
  + int blue = (code == CV_BayerBG2BGR || code == CV_BayerGB2BGR ||
  + code == CV_BayerBG2BGRA || code == CV_BayerGB2BGRA ) ? -1 : 1;
  + int start_with_green = (code == CV_BayerGB2BGR || code == CV_BayerGR2BGR ||
  + code == CV_BayerGB2BGRA || code == CV_BayerGR2BGRA);
  int dcn = dstmat.channels();
  size.height -= 2;
  