Check for libabigail version

We need to use 1.8.0+ version, older versions
may segfault and give inconsistent results.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Melikov <mail@gmelikov.ru>
Closes #12529