* Fix for Issue 65 - Intermittent failure of K-9 to background sync.

* Based on a patch provided by baolongnt++
    http://code.google.com/p/k9mail/issues/detail?id=65#c10

src/com/fsck/k9/k9.java

@@ -156,6 +156,13 @@ public class k9 extends Application {
          * doesn't work in Android and MimeMessage does not have access to a Context.
          */
         BinaryTempFileBody.setTempDirectory(getCacheDir());
+
+        /* 
+         * Enable background sync of messages
+         */
+   
+        setServicesEnabled(this);
+
     }
 }