Force encoding in message create thread

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@2252 3d1905a2-6b24-0410-a738-b14d5a86fcbd

src/java/davmail/exchange/MessageCreateThread.java

@@ -61,7 +61,7 @@ public class MessageCreateThread extends Thread {
                     LOGGER.debug("Still loading message, send capabilities untagged response to avoid timeout");
                     try {
                         LOGGER.debug("* "+capabilities);
-                        outputStream.write(("* "+capabilities).getBytes());
+                        outputStream.write(("* "+capabilities).getBytes("ASCII"));
                         outputStream.write((char) 13);
                         outputStream.write((char) 10);
                         outputStream.flush();