Fix pointer call in ClassControllCamera.cpp:310 (#1833)
ClassControllCamera.cpp:310:67: error: request for member 'rgb_image' in '_zwImage', which is of pointer type 'CImageBasis*'
ClassControllCamera.cpp:310:117: error: request for member 'width' in '_zwImage', which is of pointer type 'CImageBasis*'
ClassControllCamera.cpp:310:157: error: request for member 'height' in '_zwImage', which is of pointer type 'CImageBasis*'