If the module dir doesn't exist, die only if we were given a list of modules to load. Otherwise fail silently.
If the module dir doesn't exist, die only if we were given a list of modules
to load. Otherwise fail silently.

--HG--
branch : HEAD

dscho/dovecot,dscho/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,dscho/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,dscho/dovecot,jwm/dovecot-notmuch,dscho/dovecot