[Bug gcov-profile/94928] Doc comments in gcov-io.h do not show cwd and unexec blocks in the Notes file format

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94928

--- Comment #17 from Martin Liška <marxin at gcc dot gnu.org> ---
All right, I'll prepare a patch for that.