message: link mpi cxx properly
diff: @@ -19,7 +19,7 @@ target_link_libraries(ospray_mpi_common
  ospray::ospray_sdk
  rkcommon::rkcommon
  ospray::ospray_module_ispc
  - ${MPI_C_LIBRARIES}
  + ${MPI_CXX_LIBRARIES}
  )
  target_include_directories(ospray_mpi_common
  @@ -28,7 +28,7 @@ target_include_directories(ospray_mpi_common
  $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/..>
  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/ospray/mpiCommon>
  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/ospray/mpiCommon/maml>
  - ${MPI_C_INCLUDE_PATH}
  + ${MPI_CXX_INCLUDE_PATH}
  )
  if (ENABLE_PROFILING)
  