#524 Exception with Davmail 4.3.0

[Ronald Holthuizen]

Davmail 4.2 used to work fine, but with 4.3.0 I get the following exception:
Date: Mon May 27 09:39:30 CEST 2013 (1369640370499)
Thread: ImapConnection-49584
Message #: 158
Level: ERROR
NDC:
Category: davmail
Message: String index out of range: -1
Location: davmail.ui.tray.DavGatewayTray.displayMessage(DavGatewayTray.java:113)
Thrown:
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at java.lang.AbstractStringBuilder.charAt(Unknown Source)
at java.lang.StringBuilder.charAt(Unknown Source)
at davmail.imap.ImapConnection.appendEnvelopeHeader(ImapConnection.java:1099)
at davmail.imap.ImapConnection.appendEnvelope(ImapConnection.java:1079)
at davmail.imap.ImapConnection.handleFetch(ImapConnection.java:835)
at davmail.imap.ImapConnection.run(ImapConnection.java:347)

[Ronald Holthuizen]

Fixed in 4.3.2