Fixed MATLAB Bridge for DenseOpticalFlow

The MATLAB module was not compiling in R2014a on my machine. After adding these lines in the same style as the other Ptr_* bridge types, the entire MATLAB module finished compiling.
No, there is not, I am not familiar enough with the headers.
On Jun 9, 2014 8:11 PM, "Hilton Bristow" <notifications@github.com> wrote:

> In modules/matlab/include/opencv2/matlab/bridge.hpp:
>
> > @@ -50,6 +50,7 @@
> >  #include <opencv2/imgproc.hpp>
> >  #include <opencv2/calib3d.hpp>
> >  #include <opencv2/photo.hpp>
> > +#include <opencv2/video/tracking.hpp>
>
> @daferna2 <https://github.com/daferna2>, is there a reason you didn't #include
> <opencv2/video.hpp>? in the same manner as the others, rather than just
> the tracking header?
>
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> <https://github.com/Itseez/opencv/pull/2783/files#r13573590>.
>