"x" -> 'x' micro-optimization.

Cherry-picked from: b75a062ffed7a7e0e7cd284d5885ec8744a7cbd3

Signed-off-by: Luke Dashjr <luke-jr+git@utopios.org>

tdeioslave/imap4/imapparser.cc

@@ -818,7 +818,7 @@ void imapParser::parseDelegate (parseString & result)
     rights.append( word );
   }
 
-  lastResults.append( email + ":" + rights.join( "," ) );
+  lastResults.append( email + ':' + rights.join( "," ) );
 }
 
 void imapParser::parseOutOfOffice (parseString & result)
@@ -829,7 +829,7 @@ void imapParser::parseOutOfOffice (parseString & result)
   int outlen = 1;
   TQCString msg = parseLiteralC (result, false, false, &outlen);
 
-  lastResults.append( state + "^" + TQString::fromUtf8( msg ) );
+  lastResults.append( state + '^' + TQString::fromUtf8( msg ) );
 }
 
 void imapParser::parseMyRights (parseString & result)