Fix Video++ rank.

Author: matt-42

README.md

@@ -278,8 +278,8 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 * [MagickWnd](http://www.imagemagick.org/script/api.php) - ImageMagick program interfaces for C. [Apache 2.0]
 * [OpenCV](http://opencv.org/) :zap: - Open source computer vision. [BSD]
 * [tesseract-ocr](https://code.google.com/p/tesseract-ocr/) - An OCR engine. [Apache 2.0]
-* [VIGRA](https://github.com/ukoethe/vigra) - A generic C++ computer vision library for image analysis. [MIT X11]
 * [Video++](https://github.com/matt-42/vpp) - A C++14 high performance video and image processing library. [MIT]
+* [VIGRA](https://github.com/ukoethe/vigra) - A generic C++ computer vision library for image analysis. [MIT X11]
 * [VTK](http://www.vtk.org/) - Open-source, freely available software system for 3D computer graphics, image processing and visualization. [BSD]
 
 ## Internationalization