message: fix missing Windows dll import/export on ospNewData() compatibility fcn
diff: @@ -101,7 +101,8 @@ OSPRAY_INTERFACE float ospRenderFrameBlocking(OSPFrameBuffer,
  } // extern "C"
  // XXX temporary, to maintain backwards compatibility
  -OSPData ospNewData(size_t numItems,
  +OSPRAY_INTERFACE OSPData
  +ospNewData(size_t numItems,
  OSPDataType type,
  const void *source,
  uint32_t dataCreationFlags OSP_DEFAULT_VAL(0));
  