Make the folder assurance read-only.

Patch by Szokovacs Robert <szo at szo dot hu>, thanks!
BUG: 144035

Cherry-picked from: 243dfe72a65603f6fdc36b78585cb21125e88c7d

Signed-off-by: Luke Dashjr <luke-jr+git@utopios.org>
(cherry picked from commit c467da6399)

tdeioslave/imap4/imap4.cc

@@ -1553,7 +1553,7 @@ IMAP4Protocol::specialSearchCommand( TQDataStream& stream )
   stream >> _url;
   TQString aBox, aSequence, aLType, aSection, aValidity, aDelimiter, aInfo;
   parseURL (_url, aBox, aSection, aLType, aSequence, aValidity, aDelimiter, aInfo);
-  if (!assureBox(aBox, false)) return;
+  if (!assureBox(aBox, true)) return;
 
   imapCommand *cmd = doCommand (imapCommand::clientSearch( aSection ));
   if (cmd->result () != "OK")