ofxOpenCv - DBL_EPSILON was not declared in this scope

I have troubles getting ofxOpenCv to work. Even the example won’t compile.
OF 0.061 windows vista.
What did I miss to include?

  
  
..\..\..\addons\ofxOpenCv\libs\opencv\include\cv.hpp|374|error: `DBL_EPSILON' was not declared in this scope|  
..\..\..\addons\ofxOpenCv\libs\opencv\include\cv.hpp|378|error: `DBL_EPSILON' was not declared in this scope|