* lang_clang/analyze/graph_code_clang.ml: misc
* lang_clang/analyze/location_clang.ml: estet
* lang_clang/analyze/graph_code_clang.ml:
* lang_clang/analyze/location_clang.ml: cleanup
* lang_clang/analyze/uninclude_clang.ml: factorize code, update_current_c_file