[Dovecot] During FTS reindexing, search commands unceremoniously exit

[Dave Abrahams]

Is this intentional?  Closing the connection without warning doesn't
seem like the best response...

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% printf "1 select \"INBOX\"\n2 search body quack\n3 logout\n" | /opt/local/libexec/dovecot/imap
* PREAUTH [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS SPECIAL-USE SEARCH=FUZZY] Logged in as dave
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft gnus-forward gnus-expire)
* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft gnus-forward gnus-expire \*)] Flags permitted.
* 31 EXISTS
* 0 RECENT
* OK [UIDVALIDITY 1349969399] UIDs valid
* OK [UIDNEXT 1376] Predicted next UID
* OK [HIGHESTMODSEQ 2908] Highest
1 OK [READ-WRITE] Select completed.
imap(dave): Info: Connection closed in=45 out=2027404
% 
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-- 
Dave Abrahams
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