message: Rebase rkCommon-support on devel
diff: #include "sg/visitors/PrintNodes.h"
  #include "sg/scene/lights/Lights.h"
  // rkcommon
  -#include "rkcommon/math/ospmath.h"
  +#include "rkcommon/math/rkmath.h"
  #include "rkcommon/os/FileName.h"
  #include "rkcommon/utility/SaveImage.h"
  #include "rkcommon/utility/getEnvVar.h"
  @@ -196,7 +196,7 @@ MainWindow::MainWindow(const vec2i &windowSize, bool denoiser)
  break;
  case GLFW_KEY_Q: {
  auto showMode =
  - ospcommon::utility::getEnvVar<int>("OSPSTUDIO_SHOW_MODE");
  + rkcommon::utility::getEnvVar<int>("OSPSTUDIO_SHOW_MODE");
  // XXX Invoke the "Jim-Q" key, make it more difficult to exit
  // by mistake.
  if (showMode && mod != GLFW_MOD_CONTROL)
  