Add OpenGL dependency to MitkGPGPU
Add OpenGL dependency to MitkGPGPU

fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,MITK/MITK,fmilano/mitk,MITK/MITK,MITK/MITK,MITK/MITK,fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk