message: OpenCL: FreeBSD build fix
diff: @@ -155,7 +155,7 @@ static void* WinGetProcAddress(const char* name)
  #define CV_CL_GET_PROC_ADDRESS(name) WinGetProcAddress(name)
  #endif // _WIN32
  -#if defined(__linux__)
  +#if defined(__linux__) || defined(__FreeBSD__)
  #include <dlfcn.h>
  #include <stdio.h>
  