message: Fix FindTBB.cmake for newer versions
  TODO: should use TBB_DIR instead
diff: # TBB_LIBRARIES, the libraries to link against to use TBB.
  # TBB_DEBUG_LIBRARIES, the libraries to link against to use TBB with debug symbols.
  # TBB_FOUND, If false, don't try to use TBB.
  -# TBB_INTERFACE_VERSION, as defined in tbb/tbb_stddef.h
  +# TBB_INTERFACE_VERSION, as defined in tbb/version.h
  if (WIN32)
  @@ -278,7 +278,7 @@ endif (NOT _TBB_INSTALL_DIR)
  if (TBB_FOUND)
  set(TBB_INTERFACE_VERSION 0)
  - FILE(READ "${TBB_INCLUDE_DIRS}/tbb/tbb_stddef.h" _TBB_VERSION_CONTENTS)
  + FILE(READ "${TBB_INCLUDE_DIRS}/tbb/version.h" _TBB_VERSION_CONTENTS)
  STRING(REGEX REPLACE ".*#define TBB_INTERFACE_VERSION ([0-9]+).*" "\\1" TBB_INTERFACE_VERSION "${_TBB_VERSION_CONTENTS}")
  set(TBB_INTERFACE_VERSION "${TBB_INTERFACE_VERSION}")
  endif (TBB_FOUND)
  