Highascii + space at end of some ENVELOPE header got into infinite loop.
Highascii + space at end of some ENVELOPE header got into infinite loop.

--HG--
branch : HEAD

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