Adding space to header could have broken things. This fixes at least "X-IMAPbase uid-last unexpectedly lost in mbox file" errors.
Adding space to header could have broken things. This fixes at least
"X-IMAPbase uid-last unexpectedly lost in mbox file" errors.

--HG--
branch : HEAD

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