[Bug other/86198] Libbacktrace does not properly work with ".note.gnu.build-id" section

[ian at airs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86198

--- Comment #3 from Ian Lance Taylor <ian at airs dot com> ---
I don't a reason to change the test to ==.  I don't see what would be helped by
that.  Note that Richi already approved the change to <=.