ndndump+ndnping+repo-ng: Updates to the latest dev versions

Change-Id: I4344eb1f0f1baaa247ff8aa71a79a802a88fb0a5
diff --git a/net/ndndump/Portfile b/net/ndndump/Portfile
index f73961b..d2b79b2 100644
--- a/net/ndndump/Portfile
+++ b/net/ndndump/Portfile
@@ -12,7 +12,7 @@
 homepage            https://github.com/named-data/ndndump
 version             0.5.2
 license             GPL3+
-revision            1
+revision            2
 
 categories          net
 platforms           darwin