When non default memory buffer is provided add a common include file.
When non default memory buffer is provided add a common include file.

When a CI is created with a custom membory buffer, we can just set it as the
main memory buffer, becuase when clang tries to compare the include chains it
won't find common predecessor and either will infinite-loop or crash.

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