Update add_cling_library to current one from clang.
Update add_cling_library to current one from clang.

marsupial/cling,perovic/cling,marsupial/cling,marsupial/cling,karies/cling,perovic/cling,karies/cling,root-mirror/cling,karies/cling,karies/cling,perovic/cling,perovic/cling,karies/cling,root-mirror/cling,root-mirror/cling,karies/cling,root-mirror/cling,marsupial/cling,root-mirror/cling,marsupial/cling,marsupial/cling,perovic/cling,root-mirror/cling