From coverity: force encoding to UTF-8 on socket output stream

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@2237 3d1905a2-6b24-0410-a738-b14d5a86fcbd

src/java/davmail/AbstractConnection.java

@@ -172,12 +172,12 @@ public class AbstractConnection extends Thread {
      */
     public void sendClient(String prefix, String message) throws IOException {
         if (prefix != null) {
-            os.write(prefix.getBytes());
+            os.write(prefix.getBytes("UTF-8"));
             DavGatewayTray.debug(new BundleMessage("LOG_SEND_CLIENT_PREFIX_MESSAGE", prefix, message));
         } else {
             DavGatewayTray.debug(new BundleMessage("LOG_SEND_CLIENT_MESSAGE", message));
         }
-        os.write(message.getBytes());
+        os.write(message.getBytes("UTF-8"));
         os.write((char) 13);
         os.write((char) 10);
         os.flush();