SAM/I2Ptunnel/I2PSnark: update Javadocs to reflect @since 0.9.61

apps/sam/java/src/net/i2p/sam/SAMStreamSession.java

@@ -364,7 +364,7 @@ class SAMStreamSession implements SAMMessageSess {
     /**
      * Is the underlying streaming socket manager destroyed?
      *
-     * @since 0.9.60
+     * @since 0.9.61
      */
     public boolean isDestroyed() { return socketMgr.isDestroyed(); }