message: fix find_package() config (didn't find Embree correctly)
diff: @@ -150,16 +150,8 @@ ELSE()
  SET(LIBRARY_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX})
  ENDIF()
  -if(OSPRAY_USE_EXTERNAL_EMBREE)
  # Find existing Embree on the machine
  find_package(embree @EMBREE_VERSION_REQUIRED@ REQUIRED)
  -else()
  - if (APPLE)
  - set(EMBREE_LIBRARY ${LIBRARY_PATH_PREFIX}embree.2${LIBRARY_SUFFIX})
  - else()
  - set(EMBREE_LIBRARY ${LIBRARY_PATH_PREFIX}embree${LIBRARY_SUFFIX}.2)
  - endif()
  -endif()
  list(APPEND OSPRAY_INCLUDE_DIRS ${EMBREE_INCLUDE_DIRS})
  # Restore state
  