When a probe argument is declared "char *" we reference the userspace
string value using 'user_string(...)' for systemtap.
Unfortunately our code generator also matches on args declared "char **"
and generates bogus code
*cert = user_string($arg4);
which is a syntax error for systemtap.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>