i2psnark: Fix bad completion status after recheck (ticket #2046)

Only occurred if torrent had previously run, was previously incomplete,
and was now complete.
Also fixed changed-after-recheck logic to be precise.

router/java/src/net/i2p/router/RouterVersion.java

@@ -18,7 +18,7 @@ public class RouterVersion {
     /** deprecated */
     public final static String ID = "Monotone";
     public final static String VERSION = CoreVersion.VERSION;
-    public final static long BUILD = 1;
+    public final static long BUILD = 2;
 
     /** for example "-test" */
     public final static String EXTRA = "";