message: Fix git command executed in wrong folder when doing cmake superbuild
diff: @@ -7,7 +7,7 @@ find_program(GIT git)
  if(GIT)
  execute_process(
  COMMAND ${GIT} describe
  - WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
  OUTPUT_VARIABLE GIT_DESCRIBE_DIRTY
  OUTPUT_STRIP_TRAILING_WHITESPACE
  RESULT_VARIABLE GIT_DESCRIBE_RESULT
  