autogen: fix for centos
autogen: fix for centos

I just can't figure out why doesn't autoconf work for the first time, but
having run it twice seems to do the trick.

Signed-off-by: Michael Krelin <4dcc4173d80a2817206e196a38f0dbf7850188ff@klever.net>

hacker/libopkele,hacker/libopkele,hacker/libopkele