check_rsa() is broken, I don't know why, just remove it for now.
[tinc] / po /
drwxr-xr-x   ..
-rw-r--r-- 83 .cvsignore
-rw-r--r-- 559 POTFILES.in
-rw-r--r-- 35813 nl.po
drwxr-xr-x - old