MD5 opencv is incorrect in recipe opencv

@jasonxunxu 

I checked the file integrity and compiled using Cython, however when using distribute.sh opencv -m, always gives a md5 error, the file has been tested and is in prefect condition is please can change the 

MD5_opencv = e6667a39c33aa2c63defb9beb94e84ca

to

 MD5_opencv = 2ddfa98e867e6611254040df841186dc

sorry my English is not very good
thanks!
