message: FreeBSD build fix
diff: @@ -21,7 +21,7 @@ using namespace std;
  #if defined(_WIN32)
  #include <windows.h>
  -#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__)
  +#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__FreeBSD__)
  #include <dlfcn.h>
  #endif
  @@ -29,7 +29,7 @@ namespace cv { namespace impl {
  #if defined(_WIN32)
  typedef HMODULE LibHandle_t;
  -#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__)
  +#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__FreeBSD__)
  typedef void* LibHandle_t;
  #endif
  @@ -44,7 +44,7 @@ void* getSymbol_(LibHandle_t h, const char* symbolName)
  {
  #if defined(_WIN32)
  return (void*)GetProcAddress(h, symbolName);
  -#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__)
  +#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__FreeBSD__)
  return dlsym(h, symbolName);
  #endif
  }
  @@ -54,7 +54,7 @@ LibHandle_t libraryLoad_(const char* filename)
  {
  #if defined(_WIN32)
  return LoadLibraryA(filename);
  -#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__)
  +#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__FreeBSD__)
  return dlopen(filename, RTLD_LAZY);
  #endif
  }
  @@ -64,7 +64,7 @@ void libraryRelease_(LibHandle_t h)
  {
  #if defined(_WIN32)
  FreeLibrary(h);
  -#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__)
  +#elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__FreeBSD__)
  dlclose(h);
  #endif
  }
  